In Connecticut, this comprehensive manual will assist you in identifying the various warbler species that are commonly found in the region. It provides detailed photo identification, descriptions, captivating fun facts, as well as audio recordings of their enchanting melodies.
Warblers, these small migratory songbirds, embark on remarkable journeys, traversing vast distances from as distant as South America to reach their breeding grounds in Canada. With their vibrant plumage of yellow and green, these active birds swiftly travel between their summer and winter habitats, serenading us with their diverse repertoire of melodious tunes.
Recognized as wood-warblers, these avian creatures predominantly inhabit woodlands and forests across North America. However, as you crane your neck upwards, using binoculars to spot them among the trees, you might encounter the discomfort known as “warbler neck” — a stiff and tingling sensation in the neck.
Warblers primarily subsist on insects, yet they occasionally visit backyard feeders to feast on seeds and mealworms. Additionally, this guide provides information on other bird species frequently observed in Connecticut, along with a printable identification chart.
To ensure accuracy, this guide classifies the warblers spotted in Connecticut as regularly occurring, utilizing data gathered from avid bird watchers on ebird, combined with reliable information sourced from avibase.
During the summer months, you can encounter the following warbler species in Connecticut: Common Yellowthroat, Yellow Warbler, American Redstart, Black-and-white Warbler, Ovenbird, Pine Warbler, Blue-winged Warbler, Black-throated Green Warbler, Chestnut-sided Warbler, Black-throated Blue Warbler, Magnolia Warbler, Louisiana Waterthrush, Prairie Warbler, Northern Waterthrush, Worm-eating Warbler, Blackburnian Warbler, Canada Warbler, Hooded Warbler, Cerulean Warbler, Yellow-breasted Chat, and Prothonotary Warbler.
In the winter, two warbler species, the Orange-crowned Warbler and Yellow-throated Warbler, can be observed in Connecticut.
During the migration periods, the following warbler species pass through Connecticut: Yellow-rumped Warbler, Palm Warbler, Northern Parula, Blackpoll Warbler, Nashville Warbler, Wilson’s Warbler, Tennessee Warbler, Bay-breasted Warbler, Cape May Warbler, Mourning Warbler, Kentucky Warbler, Connecticut Warbler, and Golden-winged Warbler.
Connecticut is home to a diverse array of warblers, with a total of 36 species identified:
1. Common Yellowthroat
These vibrant songbirds grace Connecticut during the breeding season, typically from May to October. They make appearances in approximately 27% of summer checklists submitted by enthusiastic bird watchers in the state.
Common Yellowthroats possess brownish plumage on their backs and striking yellow hues on their undersides, complemented by their long tails. Males sport a black mask across their faces. Notably, the intensity of their yellow coloring can vary geographically, with some individuals exhibiting more olive tones beneath.
Geothlypis trichas
Length: 4.3-5.1 in (11-13 cm)
Weight: 0.3-0.3 oz (9-10 g)
Wingspan: 5.9-7.5 in (15-19 cm)
These energetic birds spend the summer breeding across most of North America, excluding Alaska and northern Canada. While some individuals remain along the Gulf Coast and Pacific Southwest year-round, others embark on a southward migration for the winter months.
Common Yellowthroats prefer habitats such as marshes, wetlands, and brushy fields, where they dwell among dense and tangled vegetation.
Capture the melodious song of the Common Yellowthroat:
Credit: Paul Marvin, XC629250. Accessible at www.xeno-canto.org/629250.
Female Common Yellowthroats construct nests close to the ground in marshy regions, using reeds for support. The nests consist of grass and sedges, forming a foundation of leaves and grass. They lay up to six eggs, which require approximately twelve days to hatch, followed by a similar duration for the young to leave the nest.
To attract Common Yellowthroats to your backyard, cultivate spacious areas teeming with lush vegetation and native plants, fostering a haven for insects.
Did you know? The black mask of the Common Yellowthroat serves as a visual cue for courting males, provoking their territorial defense against intruders. Interestingly, they do not exhibit aggression toward fake birds lacking the distinct mask.
2. Yellow Warbler
Yellow Warblers grace Connecticut during the breeding season and are observed in approximately 30% of summer checklists. Their arrival typically occurs in April, with migration commencing in October.
Yellow Warblers present a delightful sight with their small, bright yellow bodies adorned with a yellow-green back. Males exhibit chestnut streaks on their breasts, while females and juveniles display relatively subdued colors, lacking the distinct streaks.
Setophaga petechia
Length: 4.7-5.1 in (12-13 cm)
Weight: 0.3-0.4 oz (9-11 g)
Wingspan: 6.3-7.9 in (16-20 cm)
These remarkable birds embark on extensive migrations, breeding in Canada and the United States, excluding the southeastern states, before venturing south to Central and South America for the winter. However, they can be spotted during migration in southeastern states.
Yellow Warblers are often found near streams, wetlands, and thickets, foraging for insects such as caterpillars, midges, beetles, bugs, and wasps.
Behold the captivating song of the Yellow Warbler:
Credit: Richard E. Webster, XC662546. Accessible at www.xeno-canto.org/662546.
Yellow Warblers construct nests within small trees or shrubs, weaving together bark, grass, and plant material. The nests are secured with spider webs, forming cup-shaped structures that are lined with softer materials like hair, feathers, and plant down.
They lay up to seven eggs, which require approximately twelve days to hatch. The young birds spend an additional ten days within the nest before embarking on their fledgling journey.
To attract Yellow Warblers to your backyard, offer enticing food sources such as suet, oranges, peanut butter, and plants bearing berries. Additionally, cultivate native plants that provide insects without the use of pesticides, while incorporating birdbaths with fountains nestled amidst secluded vegetation for added protection.
Fun fact: Cowbirds often lay their eggs in Yellow Warblers’ nests. If discovered, the Yellow Warblers construct a new nest on top of the existing one, disregarding the alien eggs. This process may occur up to six times!
3. Yellow-rumped Warbler
Yellow-rumped Warblers have been observed year-round in Connecticut, with migration periods prevailing from April to May and September to November. These charming birds appear in up to 42% of checklists during their migration.
Distinguished by gray plumage with flashes of yellow on their faces, sides, and rumps, these warblers exhibit white wing patches. Females may possess a slightly browner appearance, while winter birds display paler brown tones, with their rumps and sides transitioning to bright yellow and gray during spring.
Two subspecies exist: the Myrtle Warbler, found in the eastern United States and boreal forests of Canada, lacking a yellow throat, and
Audubon’s Warbler, prevalent in the western region, displaying additional white in its wings.
Setophaga coronata
Length: 4.7-5.5 in (12-14 cm)
Weight: 0.4-0.5 oz (12-13 g)
Wingspan: 7.5-9.1 in (19-23 cm)
Yellow-rumped Warblers primarily breed in Canada, parts of the Rockies, and the Appalachian Mountains. During migration, they traverse the Midwest before seeking refuge in southern and southwestern states of the U.S., along the Pacific Coast, and extending into Mexico and Central America.
You can spot Yellow-rumped Warblers amidst coniferous forests, particularly during the breeding season. In winter, they frequent open areas adorned with fruiting shrubs. Their diet predominantly comprises insects during summer and migration, transitioning to a preference for fruits, including bayberry and wax myrtle, during the winter months.
Savor the delightful song of the Yellow-rumped Warbler:
Credit: Christopher McPherson, XC602699. Accessible at www.xeno-canto.org/602699.
Female Yellow-rumped Warblers construct nests within conifer trees, utilizing twigs, pine needles, and grass. These nests are lined with soft grass, moss, and hair. They lay up to six eggs, which require approximately two weeks to hatch, followed by an additional two weeks before the young birds venture beyond the nest.
To attract Yellow-rumped Warblers to your backyard, provide an assortment of sunflower seeds, suet, raisins, and peanut butter.
Fun fact: Yellow-rumped Warblers form large flocks during winter, often numbering in the thousands. They can display aggressiveness towards other species that encroach upon their space.
4. American Redstart
American Redstarts grace Connecticut throughout the breeding season, typically observed from mid-April to November. They feature in 16% of summer checklists compiled by vigilant bird watchers.
These striking birds boast predominantly black plumage with vibrant orange patches and a white belly. While males exhibit the aforementioned coloration, females sport olive-gray feathers, accompanied by yellow patches.
Setophaga ruticilla
Length: 4.3-5.1 in (11-13 cm)
Weight: 0.2-0.3 oz (6-9 g)
Wingspan: 6.3-7.5 in (16-19 cm)
American Redstarts breed in eastern U.S. states, Canada, and the northwestern U.S. During migration, they can also be spotted in central and western U.S. states.
These captivating birds can be found in deciduous woodlands, where they feed on insects. They may also venture into backyards and thickets, relishing in the consumption of berries such as serviceberry and magnolia.
Listen to the melodious song of the American Redstart:
Credit: Nick Kiehl, XC522368. Accessible at www.xeno-canto.org/522368.
Nests of American Redstarts are typically located close to the trunk of trees or large shrubs. They are constructed using bark, grass, and other plant materials. American Redstarts lay up to five eggs, requiring nearly two weeks for hatching, followed by a week or two before the young birds leave the nest.
To attract American Redstarts to your backyard, incorporate berry-bearing plants such as magnolia and serviceberry.
Fun fact: American Redstart parents selectively feed certain chicks, ensuring their survival, rather than indiscriminately providing sustenance to all offspring.
5. Black-and-white Warbler
While Black-and-white Warblers spend the breeding season in Connecticut, their population swells during migration. They feature in 16% of summer check
lists and up to 29% of checklists during the spring migration.
Easily distinguishable by their striped appearance, Black-and-white Warblers stand out among their warbler counterparts. Males showcase a prominent black patch stretching across their eyes and cheeks, exhibiting a darker black shade compared to females.
Mniotilta varia
Length: 4.3-5.1 in (11-13 cm)
Weight: 0.3-0.5 oz (8-15 g)
Wingspan: 7.1-8.7 in (18-22 cm)
Black-and-white Warblers breed in the eastern United States and Canada. During winter, they can be found in Florida, along the Gulf Coast, Mexico, Baja California, the Caribbean, and northern South America. Migration sightings are common in central U.S. states.
You can spot Black-and-white Warblers diligently hopping up and down tree trunks and branches in forests, foraging for insects.
Listen to the distinctive song of the Black-and-white Warbler:
Credit: Christopher McPherson, XC600300. Accessible at www.xeno-canto.org/600300.
Nests of Black-and-white Warblers are often concealed near or on the ground, frequently beneath logs or shrubs. Comprising bark, grass, and pine needles woven into a cup shape, the nests are lined with soft grass, moss, and animal hair. They lay around five eggs, requiring approximately eleven days for hatching, followed by ten more days before the young birds depart the nest.
6. Ovenbird
Ovenbirds make their appearance during the summer in Connecticut, accounting for 20% of checklists during this period. They arrive in April and commence migration in October.
Compared to their warbler counterparts, Ovenbirds may seem drab, featuring olive-green backs and black-and-white speckled undersides.
Seiurus aurocapilla
Length: 4.3-5.5 in (11-14 cm)
Weight: 0.6-1.0 oz (16-28 g)
Wingspan: 7.5-10.2 in (19-26 cm)
Ovenbirds breed in northeastern U.S. states and Canada, extending to the Midwest and northwestern Canada. They can be spotted during migration in eastern U.S. states. During winter, they seek refuge in Florida, Mexico, Central America, northern South America, and the Caribbean.
Ovenbirds forage on the ground, sifting through leaf litter in forests in search of insects.
Listen to the captivating song of the Ovenbird:
Credit: Christopher McPherson, XC602036. Accessible at www.xeno-canto.org/602036.
Nests of Ovenbirds are typically found on the ground, with the female constructing a domed structure using leaves, grass, bark, and other plant materials. The nest features a side entrance and is lined with animal hair. They lay around five eggs, requiring up to two weeks for hatching, followed by an additional ten days for the young birds to leave the nest.
Fun fact: Ovenbirds derive their name from the distinctive nest they construct, resembling a Dutch oven in shape.
7. Pine Warbler
Pine Warblers feature in 7% of summer checklists in Connecticut and can be observed from April to November.
These plump, small yellow birds boast olive backs, white lower bellies, and gray wingbars. Females may appear browner and possess more white on their bellies.
Setophaga pinus
Length: 5.1-5.5 in (13-14 cm)
Weight: 0.3-0.5 oz (9-15 g)
Wingspan: 7.5-9.1 in (19-23 cm)
Pine Warblers predominantly breed in northeastern U.S. states before migrating to southeastern states of the U.S. Some individuals remain in southeastern states throughout the year.
Pine Warblers inhabit pine forests, often perching high up in trees. Their diet consists mainly of caterpillars, beetles, spiders, and other insects, with a preference for fruit and seeds during colder weather.
Listen to the melodious song of the Pine Warbler:
Credit: Christopher McPherson, XC602052. Accessible at www.xeno-canto.org/602052.
Nests of Pine Warblers, as expected, are located in pine trees. Constructed from twigs, bark, pine needles, and grass, the nests are bound with spider silk and lined with feathers and animal hair. They lay up to five eggs, requiring around two weeks for hatching, followed by another ten days before the young birds fledge from the nest.
To attract Pine Warblers to your yard, consider using tube feeders and platform feeders stocked with millet, cracked corn, sunflower seeds, peanut hearts, and suet. Additionally, incorporate native fruit-bearing plants and vines such as bayberry, grape, sumac, and Virginia creeper.
Fun fact: Pine Warblers are among the few warblers that primarily consume seeds, making them more likely visitors to backyard feeders.
8. Palm Warbler
Palm Warblers can be spotted in Connecticut during their migration from April to May and September to November. Their presence is recorded in up to 21% of checklists during these periods.
Featuring a rusty red patch atop their heads, Palm Warblers exhibit a browny-olive color throughout their bodies. Western individuals showcase whiter bellies. Male and female appearances remain consistent during the breeding season, while non-breeding birds display duller crowns.
Setophaga palmarum
Length: 4.7-5.5 in (12-14 cm)
Weight: 0.3-0.5 oz (7-13 g)
Wingspan: 7.9-8.3 in (20-21 cm)
Palm Warblers primarily breed in Canada and can be spotted during migration in eastern U.S. states. Some individuals spend the winter in Florida and along the southeastern coast.
Palm Warblers are often found in weedy fields, forest edges, and scrubby areas during spring and fall migration. They frequently forage on the ground for insects, often mingling with other bird species such as sparrows, juncos, and yellow-rumped warblers.
Listen to the enchanting song of the Palm Warbler:
Credit: Richard E. Webster, XC189604. Accessible at www.xeno-canto.org/189604.
Nests of Palm Warblers are situated in bogs, boreal forests, and on the ground. Constructed from grass, sedge, and ferns, the nests form a cup shape and are lined with soft grass, feathers, and animal hair. They lay around five eggs.
To attract Palm Warblers to your backyard, cultivate native plants that attract insects and consider planting bayberry or hawthorn for their berries.
Fun fact: Palm Warblers display a unique behavior among warblers, often walking on the ground while bobbing their tails as they search for insects.
9. Northern Parula
Northern Parulas migrate through Connecticut primarily from April to June and September to October. They feature in up to 19% of checklists during spring migration and 10% during fall migration.
Northern Parulas present a captivating blend of blueish-gray and yellow hues. Their backs exhibit bluish-gray tones, while a yellow patch graces their back, accompanied by two white wingbars.
Males boast a chestnut band separating the yellow throat and chest, a feature also present in females. Female individuals appear paler compared to males, while juveniles display a lighter coloration.
Setophaga americana
Length: 4.3-4.7 in (11-12 cm)
Weight: 0.2-0.4 oz (5-11 g)
Wingspan: 6.3-7.1 in (16-18 cm)
Northern Parulas breed in eastern U.S. states and southeastern Canada before migrating to Central America, the Caribbean, and South America for winter. Some individuals overwinter in southern Florida.
Northern Parulas can be found foraging on insects in deciduous forests, particularly at higher elevations.
Listen to the delightful song of the Northern Parula:
Credit: Christopher McPherson, XC599828. Accessible at www.xeno-canto.org/599828.
Nests of Northern Parulas are uniquely built within long clumps of lichen and moss hanging from branches. These nests can be identified by looking up at large clumps of dangling moss during the summer months.
To attract Northern Parulas to your backyard, incorporate native trees and shrubs, especially those bearing berries, and leave brush piles to create insect-friendly habitats.
Fun fact: In Northern Parula families, the females take charge of rearing the young, including incubating the eggs and feeding them. Meanwhile, the males focus on singing and removing fecal sacs.
10. Blue-winged Warbler
Blue-winged Warblers feature in 8% of summer checklists in Connecticut, spending the breeding season here from April to September.
Their name derives from the bluish-gray hue of their wings. These birds exhibit yellow-green plumage on their upper body, with a black eye line extending from their long bill, giving them a stern appearance.
Vermivora cyanoptera
Length: 4.75 inches (12 cm)
Weight: 0.3 oz (9 g)
Wingspan: 6.75-7.5 inches (17-19 cm)
Blue-winged Warblers breed in the midwestern and central U.S. states and can be observed during migration in southern states. They migrate further to wintering grounds in Mexico, Central America, and the Caribbean.
You can find Blue-winged Warblers in abandoned fields, brushy pastures, forest edges, and thickets. They often settle in higher elevation areas characterized by abundant grass and ample canopy cover.
Blue-winged Warblers primarily feed on insects and spiders found among various plants and trees. They even exhibit the behavior of hanging upside down from tree branches to inspect leaves for insect larvae, which they use to nourish their young.
Listen to the captivating song of the Blue-winged Warbler:
Credit: Christopher McPherson, XC598819. Accessible at www.xeno-canto.org/598819.
Nests of Blue-winged Warblers are typically situated on the ground, often concealed within thick bushes or undergrowth. Constructed from dead leaves, the nests form a cup shape. Blue-winged Warblers lay four to seven eggs, with an incubation period of approximately 12 days.
Fun fact: Blue-winged Warblers frequently hybridize with Golden-winged Warblers, resulting in the formation of Brewster’s and Lawrence’s Warblers.
11. Black-throated Green Warbler
Black-throated Green Warblers can be observed in Connecticut during the summer breeding season. They are present from May to October and are recorded in 12% of summer checklists.
These warblers exhibit vibrant yellow-green plumage, with black throats and contrasting white markings on their faces. The females have slightly duller colors compared to males.
Setophaga virens
Length: 4.7-5.1 in (12-13 cm)
Weight: 0.3-0.4 oz (9-11 g)
Wingspan: 7.5-8.7 in (19-22 cm)
Black-throated Green Warblers breed in the northeastern United States and Canada. They embark on migration during the fall, heading to their wintering grounds in Central and South America.
These warblers can be found in a variety of habitats, including coniferous and mixed forests. They actively forage for insects, often gleaning them from the foliage.
Listen to the delightful song of the Black-throated Green Warbler:
Credit: Nick Kiehl, XC522355. Accessible at www.xeno-canto.org/522355.
Nests of Black-throated Green Warblers are built on branches of conifer trees, utilizing twigs, grass, moss, and bark. The female lays a clutch of four to five eggs, and the incubation period lasts about two weeks. The young birds fledge the nest in approximately nine days.
12. Chestnut-sided Warbler
Chestnut-sided Warblers spend the summer breeding season in Connecticut, with sightings occurring from May to September. They are recorded in 10% of summer checklists.
These warblers exhibit a striking combination of bright yellow plumage, white undersides, and chestnut-colored streaks on their sides. Males have more prominent streaking compared to females.
Setophaga pensylvanica
Length: 4.7-5.1 in (12-13 cm)
Weight: 0.3-0.4 oz (9-11 g)
Wingspan: 7.5-8.7 in (19-22 cm)
Chestnut-sided Warblers breed in the northeastern United States and Canada. They embark on migration during the fall, heading to their wintering grounds in Central and South America.
These warblers prefer habitats with shrubby understory, such as young forests and regenerating clearcuts. They actively forage for insects, often hopping along branches and foliage.
Listen to the melodious song of the Chestnut-sided Warbler:
Credit: Andrew Spencer, XC493478. Accessible at www.xeno-canto.org/493478.
Nests of Chestnut-sided Warblers are typically situated in low shrubs or small trees, constructed from twigs, grass, and plant fibers. The female lays a clutch of three to five eggs, and the incubation period lasts about 11 days. The young birds leave the nest approximately 9-10 days after hatching.
13. Black-throated Blue Warbler
Black-throated Blue Warblers can be observed in Connecticut during the summer breeding season, from May to September. They feature in 9% of summer checklists.
These warblers showcase deep blue plumage on their upperparts, with black throats and white bellies. The females have olive-green upperparts and lack the bold markings of the males.
Setophaga caerulescens
Length: 4.7-5.1 in (12-13 cm)
Weight: 0.4-0.5 oz (11-14 g)
Wingspan: 7.5-8.7 in (19-22 cm)
Black-throated Blue Warblers breed in the northeastern United States and Canada. During migration, they can be spotted in the eastern United States and in parts of the Caribbean.
These warblers inhabit a variety of wooded habitats, including deciduous and mixed forests. They actively forage for insects, often flitting between branches and foliage.
Listen to the captivating song of the Black-throated Blue Warbler:
Credit: Andrew Spencer, XC340258. Accessible at www.xeno-canto.org/340258.
Nests of Black-throated Blue Warblers are typically built on or near the ground, often concealed by vegetation. The female constructs the nest using bark strips, leaves, and grass, lining it with fine plant fibers and feathers. The clutch size consists of three to four eggs, with an incubation period of about 11 days. The young birds fledge the nest approximately 9-10 days after hatching.
14. Magnolia Warbler
Magnolia Warblers can be spotted in Connecticut during the summer breeding season, with sightings occurring from May to September. They are recorded in 11% of summer checklists.
These warblers display a unique plumage pattern, featuring bold black streaks on a bright yellow background, with a striking black mask across their eyes.
Setophaga magnolia
Length: 4.3-5.1 in (11-13 cm)
Weight: 0.3-0.4 oz (9-11 g)
Wingspan: 7.1-8.3 in (18-21 cm)
Magnolia Warblers breed in the northeastern United States and Canada. They embark on migration during the fall, heading to their wintering grounds in Central and South America.
These warblers prefer a variety of habitats, including coniferous and mixed forests, as well as shrubby areas. They actively forage for insects, often gleaning them from the foliage and branches.
Listen to the melodious song of the Magnolia Warbler:
Credit: Nick Kiehl, XC522415. Accessible at www.xeno-canto.org/522415.
Nests of Magnolia Warblers are typically situated on or near the ground, hidden among shrubs or low vegetation. The female constructs the nest using grass, bark, and plant fibers, lining it with feathers and hair. The clutch size consists of three to five eggs, with an incubation period of about 11 days. The young birds leave the nest approximately 8-10 days after hatching.
15. Louisiana Waterthrush
Louisiana Waterthrushes can be observed in Connecticut during the summer breeding season, from April to September. They feature in 5% of summer checklists.
These warblers have a distinctive appearance, with a richly colored brown back and a white belly marked by prominent brown streaks. They have a long bill and pink legs.
Parkesia motacilla
Length: 5.5-6.3 in (14-16 cm)
Weight: 0.5-0.6 oz (14-17 g)
Wingspan: 8.3-9.8 in (21-25 cm)
Louisiana Waterthrushes breed in the eastern United States and into Canada. They can be found along streams and in wooded wetland habitats.
These warblers are adept at foraging in and around water, where they search for aquatic insects, small crustaceans, and other invertebrates.
Listen to the captivating song of the Louisiana Waterthrush:
Credit: Paul Driver, XC270047. Accessible at www.xeno-canto.org/270047.
Nests of Louisiana Waterthrushes are typically situated near streams or other water bodies, often positioned in
the bank or among tree roots. The nest is an open cup structure made from leaves, grass, and other plant materials. The clutch size consists of three to six eggs, with an incubation period of approximately 12 days. The young birds fledge the nest around 9-11 days after hatching.
16. Prairie Warbler
Prairie Warblers spend the summer breeding season in Connecticut, with sightings occurring from May to September. They are recorded in 6% of summer checklists.
These warblers have a striking appearance, featuring bright yellow plumage with bold black streaks on their sides and throats. Males also have chestnut-colored patches on their upperparts.
Setophaga discolor
Length: 4.3-4.7 in (11-12 cm)
Weight: 0.3-0.4 oz (9-11 g)
Wingspan: 6.7-7.5 in (17-19 cm)
Prairie Warblers breed in the eastern United States and into Canada. They embark on migration during the fall, heading to their wintering grounds in the Caribbean and Central America.
These warblers inhabit a variety of habitats, including shrubby areas, young forests, and regenerating clearcuts. They actively forage for insects, often flitting among branches and foliage.
Listen to the melodious song of the Prairie Warbler:
Credit: Mike Nelson, XC267484. Accessible at www.xeno-canto.org/267484.
Nests of Prairie Warblers are typically situated in low shrubs or small trees, constructed from grass, bark strips, and plant fibers. The female lays a clutch of three to five eggs, and the incubation period lasts about 12 days. The young birds fledge the nest approximately 9-10 days after hatching.
17. Northern Waterthrush
Northern Waterthrushes can be observed in Connecticut during the summer breeding season, from April to September. They are recorded in 7% of summer checklists.
These warblers have a distinct appearance, with a streaked brown back, buff-colored undersides, and a prominent white eyeline. They have a long bill and pink legs.
Parkesia noveboracensis
Length: 4.7-5.5 in (12-14 cm)
Weight: 0.4-0.6 oz (12-18 g)
Wingspan: 7.5-9.1 in (19-23 cm)
Northern Waterthrushes breed in the northeastern United States and Canada. They can be found in a variety of wetland habitats, including marshes, swamps, and streamsides.
These warblers are skilled at foraging in and around water, where they search for aquatic insects, small crustaceans, and other invertebrates.
Listen to the captivating song of the Northern Waterthrush:
Credit: Andrew Spencer, XC301771. Accessible at www.xeno-canto.org/301771.
Nests of Northern Waterthrushes are typically situated on the ground, often hidden among vegetation or near water. The nest is an open cup structure made from grass, leaves, and other plant materials. The clutch size consists of three to six eggs, with an incubation period of approximately 12 days. The young birds fledge the nest around 9-11 days after hatching.
18. Worm-eating Warbler
Worm-eating Warblers spend the summer breeding season in Connecticut, with sightings occurring from May to September. They feature in 3% of summer checklists.
These warblers have a subtle appearance, with olive-brown upperparts and buff-colored undersides. They have thin, pointed bills and pink legs.
Helmitheros vermivorum
Length: 4.7-5.1 in (12-13 cm)
Weight: 0.4-0.5 oz (11-14 g)
Wingspan: 8.7-9.8 in (22-25 cm)
Worm-eating Warblers breed in the southeastern United States and into the Midwest. They can be found in deciduous forests with a dense understory.
These warblers forage on or near the ground, where they search for insects, spiders, and other small invertebrates among the leaf litter and vegetation.
Listen to the unique song of the Worm-eating Warbler:
Credit: Andrew Spencer, XC344647. Accessible at www.xeno-canto.org/344647.
Nests of Worm-eating Warblers are typically situated on or near the ground, concealed among vegetation or leaf litter. The female constructs a cup-shaped nest using dead leaves, moss, and grass, lining it with finer materials. The clutch size consists of three to five eggs, with an incubation period of approximately 12 days. The young birds fledge the nest around 9-11 days after hatching.
19. Blackburnian Warbler
Blackburnian Warblers can be observed in Connecticut during the summer breeding season, from May to September. They are recorded in 4% of summer checklists.
These warblers exhibit a striking appearance, with bright orange plumage on their throat and upper chest, contrasting against black and white patterns on their back and wings.
Setophaga fusca
Length: 4.3-4.7 in (11-12 cm)
Weight: 0.3-0.4 oz (9-11 g)
Wingspan: 7.1-8.3 in (18-21 cm)
Blackburnian Warblers breed in the northeastern United States and into Canada. They embark on migration during the fall, heading to their wintering grounds in Central and South America.
These warblers prefer coniferous and mixed forests as their habitat, often foraging high in the tree canopy for insects.
Listen to the melodious song of the Blackburnian Warbler:
Credit: Nick Kiehl, XC522411. Accessible at www.xeno-canto.org/522411.
Nests of Blackburnian Warblers are typically situated high in conifer trees, constructed from twigs, bark, and plant fibers, lined with finer materials. The clutch size consists of three to five eggs, with an incubation period of approximately 12 days. The young birds fledge the nest around 9-11 days after hatching.
20. Canada Warbler
Canada Warblers spend the summer breeding season in Connecticut, with sightings occurring from May to September. They feature in 2% of summer checklists.
These warblers have a distinctive appearance, with slate-blue upperparts, yellow undersides, and a bold necklace of black streaks on their chest.
Cardellina canadensis
Length: 4.7-5.1 in (12-13 cm)
Weight: 0.3-0.4 oz (9-11 g)
Wingspan: 7.5-8.7 in (19-22 cm)
Canada Warblers breed in the northeastern United States and Canada. They embark on migration during the fall, heading to their wintering grounds in northern South America.
These warblers inhabit dense, moist forests with a thick understory. They actively forage for insects, often flitting between vegetation and foliage.
Listen to the pleasant song of the Canada Warbler:
Credit: Tom Davis, XC122974. Accessible at www.xeno-canto.org/122974.
Nests of Canada Warblers are typically situated on the ground or in low shrubs, often concealed by vegetation. The nest is an open cup structure made from leaves, grass, and plant fibers, lined with fine materials. The clutch size consists of three to five eggs, with an incubation period of approximately 12 days. The young birds fledge the nest around 9-11 days after hatching.
21. Hooded Warbler
Hooded Warblers can be observed in Connecticut during the summer breeding season, from May to September. They are recorded in 3% of summer checklists.
These warblers have a striking appearance, with vibrant yellow plumage on their head, neck, and underparts, contrasting against a black hood that extends to their upper back.
Setophaga citrina
Length: 4.3-4.7 in (11-12 cm)
Weight: 0.3-0.4 oz (9-11 g)
Wingspan: 6.7-7.5 in (17-19 cm)
Hooded Warblers breed in the southeastern United States and into the Midwest. They prefer dense understory habitats in forests and woodland edges.
These warblers actively forage for insects, often low to the ground or in shrubby vegetation. They are known for their distinctive feeding behavior, flicking their wings and tail while searching for prey.
Listen to the melodious song of the Hooded Warbler:
Credit: Matthew Young, XC539140. Accessible at www.xeno-canto.org/539140.
Nests of Hooded Warblers are typically situated on or near the ground, concealed in dense vegetation. The female constructs a cup-shaped nest using leaves, bark, grass, and plant fibers, lining it with finer materials. The clutch size consists of three to five eggs, with an incubation period of approximately 12 days. The young birds fledge the nest around 9-11 days after hatching.
22. Cerulean Warbler
Cerulean Warblers spend the summer breeding season in Connecticut, with sightings occurring from May to September. They feature in 1% of summer checklists.
These warblers have a stunning appearance, with sky-blue upperparts, white underparts, and a black necklace-like band across their chest.
Setophaga cerulea
Length: 4.3-4.7 in (11-12 cm)
Weight: 0.3-0.4 oz (9-11 g)
Wingspan: 7.1-8.3 in (18-21 cm)
Cerulean Warblers breed in the eastern United States and into Canada. They embark on migration during the fall, heading to their wintering grounds in northern South America.
These warblers inhabit mature deciduous forests, particularly those near water. They actively forage for insects, often in the upper canopy of trees.
Listen to the beautiful song of the Cerulean Warbler:
Credit: Jonathon Jongsma, XC352200. Accessible at www.xeno-canto.org/352200.
Nests of Cerulean Warblers are typically situated high in the canopy of deciduous trees, constructed from bark strips, grass, and plant fibers, lined with finer materials. The clutch size consists of three to five eggs, with an incubation period of approximately 12 days. The young birds fledge the nest around 9-11 days after hatching.
23. Yellow-breasted Chat
Yellow-breasted Chats can be observed in Connecticut during the summer breeding season, from May to September. They are recorded in 2% of summer checklists.
These warblers have a unique appearance, with a large and robust body, olive-green upperparts, and a bright yellow throat and breast. They also have a distinctive song.
Icteria virens
Length: 6.3-7.5 in (16-19 cm)
Weight: 0.8-1.2 oz (23-34 g)
Wingspan: 8.7-9.8 in (22-25 cm)
Yellow-breasted Chats breed in the eastern
and central United States. They prefer dense, shrubby habitats such as thickets, brushy fields, and woodland edges.
These warblers are known for their loud and varied songs, often incorporating mimicry of other bird species. They actively forage for insects, often in thick vegetation.
Listen to the unique song of the Yellow-breasted Chat:
Credit: Gregory Budney, XC254896. Accessible at www.xeno-canto.org/254896.
Nests of Yellow-breasted Chats are typically situated in dense shrubs or small trees, often well-hidden. The nest is an open cup structure made from grass, leaves, and plant fibers, lined with fine materials. The clutch size consists of three to five eggs, with an incubation period of approximately 12 days. The young birds fledge the nest around 9-11 days after hatching.
24. Prothonotary Warbler
Prothonotary Warblers can be observed in Connecticut during the summer breeding season, from May to September. They are recorded in 1% of summer checklists.
These warblers have a vibrant appearance, with bright yellow plumage on their head, neck, and underparts, contrasting against blue-gray wings and back.
Protonotaria citrea
Length: 4.3-4.7 in (11-12 cm)
Weight: 0.3-0.4 oz (9-11 g)
Wingspan: 7.1-8.3 in (18-21 cm)
Prothonotary Warblers breed in the southeastern United States and into the Midwest. They prefer swampy habitats, including flooded forests and wooded wetlands.
These warblers actively forage for insects, often near or on the water’s surface. They are known for their habit of nesting in natural cavities or nest boxes.
Listen to the melodic song of the Prothonotary Warbler:
Credit: Mike Nelson, XC267518. Accessible at www.xeno-canto.org/267518.
Nests of Prothonotary Warblers are typically situated in natural cavities, such as old woodpecker holes or nest boxes. The nest is a cup-shaped structure made from grass, moss, bark, and plant fibers, lined with finer materials. The clutch size consists of three to seven eggs, with an incubation period of approximately 12 days. The young birds fledge the nest around 9-11 days after hatching.
25. Orange-crowned Warbler
Orange-crowned Warblers can be spotted in Connecticut during the winter season, from November to March. They are recorded in 1% of winter checklists.
These warblers have a relatively plain appearance, with olive-green upperparts, yellow underparts, and a faint orange crown patch that is often concealed.
Leiothlypis celata
Length: 4.7-5.1 in (12-13 cm)
Weight: 0.3-0.4 oz (9-11 g)
Wingspan: 7.5-8.7 in (19-22 cm)
Orange-crowned Warblers breed in the western United States and into Canada. They migrate southward during the fall and winter, reaching as far as Central America.
These warblers inhabit a variety of habitats, including forests, thickets, and shrubby areas. They actively forage for insects, often in dense foliage or low to the ground.
Listen to the song of the Orange-crowned Warbler:
Credit: Todd Wilson, XC250908. Accessible at www.xeno-canto.org/250908.
26. Yellow-throated Warbler
Yellow-throated Warblers can be spotted in Connecticut during the winter season, from November to March. They are recorded in 1% of winter checklists.
These warblers have a distinct appearance, with a yellow throat, black-and-white striped head, and olive-green upperparts.
Setophaga dominica
Length: 5.5-5.9 in (14-15 cm)
Weight: 0.3-0.4 oz (9-11 g)
Wingspan: 7.5-8.3 in (19-21 cm)
Yellow-throated Warblers breed in the southeastern United States and into the Midwest. They migrate southward during the fall and winter, reaching as far as Central America.
These warblers inhabit a variety of habitats, including forests, swamps, and woodland edges. They actively forage for insects, often gleaning prey from branches and foliage.
Listen to the melodic song of the Yellow-throated Warbler:
Credit: Mike Nelson, XC475168. Accessible at www.xeno-canto.org/475168.
27. Yellow-rumped Warbler
Yellow-rumped Warblers are a common sight in Connecticut during migration, from April to May and September to November. They are recorded in up to 42% of checklists during migration.
These warblers display a mix of plumage characteristics. They have a grayish body with flashes of yellow on the face, sides, and rump. During the winter, their plumage takes on a paler brown color, with bright yellow rumps and sides.
Setophaga coronata
Length: 5.1-5.5 in (13-14 cm)
Weight: 0.4-0.5 oz (12-14 g)
Wingspan: 9.1-9.8 in (23-25 cm)
Yellow-rumped Warblers breed predominantly in Canada and parts of the Rockies and the Appalachian Mountains. During migration, they can be seen in the Midwest before overwintering in southern and southwestern US states, as well as along the Pacific Coast, Mexico, and Central America.
You can find Yellow-rumped Warblers in coniferous forests during the breeding season. In winter, they can be found in open areas with fruiting shrubs. They primarily feed on insects during the summer, but their winter diet consists mostly of fruit, including bayberry and wax myrtle.
Listen to the distinctive song of the Yellow-rumped Warbler:
Credit: Richard E. Webster, XC602699. Accessible at www.xeno-canto.org/602699.
Nests of Yellow-rumped Warblers are built by females in conifer trees using twigs, pine needles, and grass, and they are lined with soft grass, moss, and hair. They typically lay up to six eggs, which take around two weeks to hatch. The young birds stay in the nest for another two weeks before fledging.
28. Palm Warbler
Palm Warblers can be spotted in Connecticut during migration, from April to May and September to November. They are recorded in up to 21% of checklists during these times.
Palm Warblers have a rusty red patch on the top of their head and are primarily brownish-olive in color. Western birds tend to have whiter bellies. Males and females have similar appearances during the breeding season, while non-breeding birds have duller crowns.
Setophaga palmarum
Length: 4.7-5.5 in (12-14 cm)
Weight: 0.3-0.5 oz (7-13 g)
Wingspan: 7.9-8.3 in (20-21 cm)
Palm Warblers breed predominantly in Canada and can be seen during migration in eastern US states. Some individuals also winter in Florida and along the southeastern coast.
You can spot Palm Warblers mainly during the spring and fall migration in weedy fields, forest edges, and scrubby areas. They are often found foraging on the ground for insects, often mixed in with other bird species such as Sparrows, Juncos, and Yellow-rumped Warblers.
Listen to the distinctive song of the Palm Warbler:
Credit: Richard E. Webster, XC189604. Accessible at www.xeno-canto.org/189604.
Nests of Palm Warblers are built in bogs and boreal forests on the ground. They are made from grass, sedge, and ferns woven into a cup shape and lined with soft grass, feathers, and animal hair. Palm Warblers typically lay around five eggs.
29. Northern Parula
Northern Parulas can be observed migrating through Connecticut mainly from April to June and September to October. They appear in up to 19% of checklists during spring migration and
10% of checklists during fall migration.
Northern Parulas display a colorful contrast of blue-gray and yellow plumage. They have bluish-gray backs, a yellow patch on their back, and two white wingbars.
Setophaga americana
Length: 4.3-4.7 in (11-12 cm)
Weight: 0.2-0.4 oz (5-11 g)
Wingspan: 6.3-7.1 in (16-18 cm)
Northern Parulas breed in the eastern United States and southeastern Canada before migrating to Central America and the Caribbean for winter. Some individuals may remain in southern Florida for the winter.
You can find Northern Parulas foraging for insects high up in deciduous forests during the breeding season.
Listen to the melodious song of the Northern Parula:
Credit: Christopher McPherson, XC599828. Accessible at www.xeno-canto.org/599828.
Nests of Northern Parulas are made in long clumps of lichen and moss, which drape from tree branches. These nests are best observed by looking up at large clumps of hanging moss during the summer.
30. Blackpoll Warbler
Blackpoll Warblers pass through Connecticut during migration, primarily from May to June and September to October. They are recorded in up to 12% of checklists during spring migration and 7% of checklists during fall migration.
Blackpoll Warblers have a unique appearance, with black caps on their heads, streaked black and white backs, and white underparts.
Setophaga striata
Length: 4.7-5.1 in (12-13 cm)
Weight: 0.3-0.4 oz (9-11 g)
Wingspan: 7.9-8.7 in (20-22 cm)
Blackpoll Warblers breed in northern North America, including Canada’s boreal forests. They undertake one of the most remarkable migrations of any songbird, flying non-stop over the Atlantic Ocean to reach their wintering grounds in South America.
These warblers can be found in a variety of habitats during migration, including forests, woodlands, and coastal areas. They actively forage for insects, often in the upper parts of trees.
Listen to the song of the Blackpoll Warbler:
Credit: Bruce Lagerquist, XC338781. Accessible at www.xeno-canto.org/338781.
Nests of Blackpoll Warblers are constructed in coniferous trees, often in the higher branches. The nest is cup-shaped, made from twigs, moss, and lichens, and lined with finer materials. They typically lay around four to five eggs, which take approximately 11-12 days to hatch. The young birds remain in the nest for around 10-12 days before fledging.
31. Nashville Warbler
Nashville Warblers pass through Connecticut during migration, primarily from April to May and September to October. They are recorded in up to 9% of checklists during spring migration and 6% of checklists during fall migration.
Nashville Warblers have a relatively plain appearance, with olive-green upperparts, yellow underparts, and a white eyering.
Leiothlypis ruficapilla
Length: 4.3-4.7 in (11-12 cm)
Weight: 0.3-0.4 oz (9-11 g)
Wingspan: 6.7-7.5 in (17-19 cm)
Nashville Warblers breed in Canada’s boreal forests and parts of the northeastern United States. They migrate to Central America and the Caribbean for winter.
These warblers can be found in various habitats during migration, including
woodlands, forests, and shrubby areas. They actively forage for insects, often in the lower to middle parts of vegetation.
Listen to the song of the Nashville Warbler:
Credit: William W. H. Gunn, XC570204. Accessible at www.xeno-canto.org/570204.
Nests of Nashville Warblers are typically situated on or near the ground in shrubs or low vegetation. The nest is cup-shaped, made from grasses, bark, and plant fibers, and lined with finer materials. They typically lay around four to five eggs, with an incubation period of approximately 11-12 days. The young birds fledge the nest after 10-12 days.
32. Wilson’s Warbler
Wilson’s Warblers pass through Connecticut during migration, primarily from April to May and September to October. They are recorded in up to 8% of checklists during spring migration and 5% of checklists during fall migration.
Wilson’s Warblers have a distinctive appearance, with bright yellow plumage, a black cap, and a small black bib on the chest.
Cardellina pusilla
Length: 4.7-5.1 in (12-13 cm)
Weight: 0.3-0.4 oz (9-11 g)
Wingspan: 6.7-7.1 in (17-18 cm)
Wilson’s Warblers breed in northwestern North America, including parts of Alaska and Canada. They migrate southward to Central America and the Caribbean for winter.
These warblers can be found in a variety of habitats during migration, including forests, woodlands, and shrubby areas. They actively forage for insects, often in the lower parts of vegetation and near the ground.
Listen to the song of the Wilson’s Warbler:
Credit: Aaron Hulsey, XC520339. Accessible at www.xeno-canto.org/520339.
Nests of Wilson’s Warblers are typically situated on or near the ground in shrubs or dense vegetation. The nest is a cup-shaped structure made from grasses, bark, and plant fibers, lined with finer materials. They typically lay around four to six eggs, with an incubation period of approximately 12-14 days. The young birds fledge the nest after 9-11 days.
33. Tennessee Warbler
Tennessee Warblers pass through Connecticut during migration, primarily from April to May and September to October. They are recorded in up to 8% of checklists during spring migration and 5% of checklists during fall migration.
Tennessee Warblers have a rather plain appearance, with olive-green upperparts, pale yellow underparts, and a faint grayish head pattern.
Leiothlypis peregrina
Length: 4.3-4.7 in (11-12 cm)
Weight: 0.3-0.4 oz (9-11 g)
Wingspan: 6.7-7.1 in (17-18 cm)
Tennessee Warblers breed in the boreal forests of Canada and migrate to Central America and the Caribbean for winter.
These warblers can be found in various habitats during migration, including forests, woodlands, and shrubby areas. They actively forage for insects, often in the upper parts of trees.
Listen to the song of the Tennessee Warbler:
Credit: William W. H. Gunn, XC570210. Accessible at www.xeno-canto.org/570210.
Nests of Tennessee Warblers are typically situated on or near the ground in shrubs or low vegetation. The nest is cup-shaped, made from grasses, moss, and bark, and lined with finer materials. They typically lay around four to six eggs, with
an incubation period of approximately 10-12 days. The young birds fledge the nest after 8-10 days.
34. Bay-breasted Warbler
Bay-breasted Warblers pass through Connecticut during migration, primarily from May to June and September to October. They are recorded in up to 6% of checklists during spring migration and 4% of checklists during fall migration.
Bay-breasted Warblers have a striking appearance, with chestnut-colored crown and flanks, grayish upperparts, and yellowish underparts.
Setophaga castanea
Length: 4.7-5.1 in (12-13 cm)
Weight: 0.3-0.4 oz (9-11 g)
Wingspan: 7.1-7.5 in (18-19 cm)
Bay-breasted Warblers breed in the boreal forests of Canada and migrate to Central and South America for winter.
These warblers can be found in various habitats during migration, including forests, woodlands, and shrubby areas. They actively forage for insects, often in the upper parts of trees.
Listen to the song of the Bay-breasted Warbler:
Credit: David Darrell-Lambert, XC276797. Accessible at www.xeno-canto.org/276797.
Nests of Bay-breasted Warblers are typically situated in coniferous trees, often in the higher branches. The nest is cup-shaped, made from twigs, grasses, and plant fibers, and lined with finer materials. They typically lay around three to five eggs, with an incubation period of approximately 11-12 days. The young birds fledge the nest after 10-12 days.
35. Cape May Warbler
Cape May Warblers pass through Connecticut during migration, primarily from May to June and September to October. They are recorded in up to 5% of checklists during spring migration and 4% of checklists during fall migration.
Cape May Warblers have a unique appearance, with a yellow-green body, reddish-brown streaks on the breast and sides, and distinctive rusty cheek patches.
Setophaga tigrina
Length: 4.7-5.1 in (12-13 cm)
Weight: 0.3-0.4 oz (9-11 g)
Wingspan: 7.1-7.5 in (18-19 cm)
Cape May Warblers breed in the boreal forests of North America and migrate to the Caribbean and northern South America for winter.
These warblers can be found in various habitats during migration, including forests, woodlands, and shrubby areas. They actively forage for insects, often in the upper parts of trees.
Listen to the song of the Cape May Warbler:
Credit: David Darrell-Lambert, XC218719. Accessible at www.xeno-canto.org/218719.
Nests of Cape May Warblers are typically situated in coniferous trees, often in the higher branches. The nest is cup-shaped, made from twigs, lichens, and plant fibers, and lined with finer materials. They typically lay around three to five eggs, with an incubation period of approximately 12-13 days. The young birds fledge the nest after 10-12 days.
36. Mourning Warbler
Mourning Warblers pass through Connecticut during migration, primarily from May to June and September to October. They are recorded in up to 4% of checklists during spring migration and 3% of checklists during fall migration.
Mourning Warblers have a subtle appearance, with olive-green upperparts, yellow underparts, and a grayish head with a distinctive blackmask.
Geothlypis philadelphia
Length: 4.7-5.1 in (12-13 cm)
Weight: 0.3-0.4 oz (9-11 g)
Wingspan: 7.1-7.5 in (18-19 cm)
Mourning Warblers breed in the boreal forests of Canada and migrate to Central and South America for winter.
These warblers can be found in various habitats during migration, including forests, woodlands, and shrubby areas. They actively forage for insects, often in the lower to middle parts of vegetation.
Listen to the song of the Mourning Warbler:
Credit: William W. H. Gunn, XC170868. Accessible at www.xeno-canto.org/170868.
Nests of Mourning Warblers are typically situated on or near the ground in shrubs or low vegetation. The nest is cup-shaped, made from grasses, bark, and plant fibers, and lined with finer materials. They typically lay around three to five eggs, with an incubation period of approximately 11-12 days. The young birds fledge the nest after 8-10 days.
These are the remaining species of warblers that are occasionally observed in Connecticut during migration. While they may not be as common as some of the earlier mentioned species, their presence adds to the diversity of warblers that can be observed in the state.
How Frequently Warblers Are Spotted In Connecticut In Summer And Winter
In the realm of Connecticut, the occurrence of warblers, both in the warm summer and the chilly winter, can be ascertained by consulting checklists. These inventories disclose the prevalence of warbler species on the checklists of ebird, specifically tailored for summer and winter observations in Connecticut.
Warblers encountered in Connecticut during the summer season exhibit the following frequencies:
– A remarkable 31.1% of the observed warblers are Yellow Warblers.
– Common Yellowthroats make up 27.6% of the recorded warblers.
– Ovenbirds constitute 20% of the warbler sightings.
– American Redstarts are present at a rate of 17.4%.
– Black-and-white Warblers make up 16% of the observed warblers.
– The Blue-winged Warbler appears in 8.8% of the sightings.
– Yellow-rumped Warblers account for 8.4% of the recorded observations.
– Chestnut-sided Warblers have been spotted at a frequency of 7.6%.
– Pine Warblers are observed in 7.1% of the sightings.
– Northern Parulas account for 6.9% of the warbler encounters.
– Black-throated Green Warblers have a prevalence of 6.7%.
– Black-throated Blue Warblers are observed in 5.3% of the sightings.
– Louisiana Waterthrush sightings account for 4.7%.
– Magnolia Warblers have been recorded at a frequency of 4.5%.
– Prairie Warblers appear in 4.4% of the encounters.
– Northern Waterthrushes make up 3.9% of the recorded sightings.
– Both the Worm-eating Warbler and the Blackburnian Warbler are observed at a rate of 3.2% and 3.1% respectively.
– Canada Warblers account for 2.3% of the observed warblers.
– Hooded Warblers have been recorded in 1.7% of the sightings.
– Wilson’s Warblers make up 1.2% of the recorded encounters.
– Nashville Warblers have been observed at a frequency of 1%.
– Both the Cerulean Warbler and the Palm Warbler are present at a rate of 1%.
– Bay-breasted Warblers account for 0.9% of the warbler sightings.
– Tennessee Warblers appear in 0.6% of the encounters.
– The Cape May Warbler has been spotted at a frequency of 0.5%.
– Mourning Warblers are rare, comprising only 0.2% of the sightings.
– The Kentucky Warbler and the Yellow-breasted Chat have been observed at a rate of 0.1%.
– The Prothonotary Warbler, Golden-winged Warbler, Yellow-throated Warbler, and Connecticut Warbler have all been rarely recorded, each accounting for less than 0.1% of the warbler sightings.
During the winter season, the following warblers have been observed in Connecticut, with their frequencies listed below:
– Yellow-rumped Warblers have the highest occurrence rate, at 2.2%.
– Palm Warblers, Orange-crowned Warblers, and Pine Warblers have each been observed at a frequency of 0.2%.
– Both the Yellow-breasted Chat and the Cape May Warbler have been encountered at a rate of 0.1%.
– The Tennessee Warbler and the Prairie Warbler have been rarely observed, each accounting for less than 0.1%.
– Nashville Warblers, Wilson’s Warblers, Common Yellowthroats, Ovenbirds, Yellow-throated Warblers, Northern Parulas, Black-throated Blue Warblers, Black-and-white Warblers, Yellow Warblers, American Redstarts, Northern Waterthrushes, Blackpoll Warblers, and Black-throated Green Warblers have all been recorded very rarely, each accounting for less than 0.1%.
Now, let’s explore some methods to entice warblers to grace your backyard
Warblers, while not as commonly attracted to backyard feeders as other songbirds, can still be encouraged to visit your yard using the following techniques:
- If your yard is spacious enough, provide an assortment of trees to create an inviting environment.
- Leave piles of brush and refrain from excessive tidiness, as warblers appreciate habitats that support their insect friends.
- Abstain from using pesticides or herbicides, ensuring that an ample insect population is available for the warblers while preventing the birds from ingesting harmful substances.
- Establish a clean water source, such as a birdbath, to offer warblers a refreshing drink and bathing spot.
- Consider offering mealworms as a preferred food choice. Live mealworms are ideal, but dried ones can be provided as an alternative.
- Install bird feeders stocked with sunflower seeds, peanut hearts, and suet, which are attractive food options for warblers.