Species of Connecticut

Includes rare, incidental, and introduced species.

Information and species will be continuously updated.

Louisiana Waterthrush

The Louisiana Waterthrush (Parkesia motacilla) is a New World warbler.

Northern Waterthrush

The Northern Waterthrush (Parkesia noveboracensis) is one of the larger New World warblers. It breeds in the northern part of North America in Canada and the northern United States including Alaska. This bird is migratory, wintering in Central America, the West Indies and Florida, as well as in Venezuela, Colombia, and Ecuador. It is a very rare vagrant to other South American ...more ↓

Golden-winged Warbler

The Golden-winged Warbler (Vermivora chrysoptera) is a New World warbler. It breeds in southeastern and south-central Canada and the Appalachian Mountains northeastern to north-central USA. The majority (~70%) of the global population breeds in Wisconsin, Minnesota, and Manitoba. Golden-winged Warbler populations are slowly expanding northwards, but are generally declining ...more ↓

Blue-winged Warbler

The Blue-winged Warbler (Vermivora cyanoptera) is a fairly common New World warbler, 11.5 cm (4.5 in) long and weighing 8.5 g (0.30 oz). It breeds in eastern North America in southern Ontario and the eastern USA. Its range is extending northwards, where it is replacing the very closely related Golden-winged Warbler, Vermivora chrysoptera.

Black-and-white Warbler

The Black-and-white Warbler (Mniotilta varia) is a species of New World warbler, the only member of its genus, Mniotilta. It breeds in northern and eastern North America from the Northwest Territory and Newfoundland and Labrador, Canada to Florida. This species is migratory, wintering in Florida, Central America and the West Indies down to Peru. This species is a ...more ↓

Prothonotary Warbler

The Prothonotary Warbler (Protonotaria citrea) is a small songbird of the New World warbler family. It is the only member of the genus Protonotaria.

Tennessee Warbler

The Tennessee Warbler (Oreothlypis peregrina) is a New World warbler that breeds in eastern North America and winters in southern Central America and northern South America.

Orange-crowned Warbler

The Orange-crowned Warbler (Oreothlypis celata) is a small songbird of the New World warbler family.

Nashville Warbler

The Nashville Warbler (Oreothlypis ruficapilla) is a small songbird in the New World warbler family.

Connecticut Warbler

The Connecticut Warbler (Oporornis agilis) is a small songbird of the New World warbler family.

Mourning Warbler

The Mourning Warbler (Geothlypis philadelphia) is a small songbird of the New World warbler family.

Kentucky Warbler

The Kentucky Warbler (Geothlypis formosa) is a small species of New World warbler. The Kentucky Warbler, is a sluggish and heavy warbler with a short tail, preferring to spend most of its time on or near the ground, except when singing.

Common Yellowthroat

The Common Yellowthroat (Geothlypis trichas) is a New World warbler. They are abundant breeders in North America, ranging from southern Canada to central Mexico.

Hooded Warbler

The Hooded Warbler (Setophaga citrina) is a New World warbler. It breeds in eastern North America and across the eastern USA and into southernmost Canada, (Ontario). It is migratory, wintering in Central America and the West Indies. Hooded Warblers are very rare vagrants to western Europe.

American Redstart

The American Redstart (Setophaga ruticilla) is a New World warbler. It is unrelated to the Old World redstarts. It derives its name from the male's red tail, start being an old word for tail.

Cape May Warbler

The Cape May Warbler (Setophaga tigrina) is a species of New World warbler. It breeds in northern North America. Its breeding range spans all but the westernmost parts of southern Canada, the Great Lakes region, and New England. It is migratory, wintering in the West Indies. This species is a very rare vagrant to western Europe, with two records in Britain as of October 2013. ...more ↓

Cerulean Warbler

The Cerulean Warbler (Setophaga cerulea) is a small songbird of the New World warbler family.

Northern Parula

The Northern Parula (Setophaga americana) is a small New World warbler. It breeds in eastern North America from southern Canada to Florida.

Magnolia Warbler

The Magnolia Warbler (Setophaga magnolia) is a member of the wood warbler family Parulidae. This warbler was first discovered in magnolia trees in the 19th century by famed ornithologist Alexander Wilson while in Mississippi.

Bay-breasted Warbler

The Bay-breasted Warbler (Setophaga castanea) is a New World warbler. They breed in northern North America, specifically in Canada, into the Great Lakes region, and into northern New England.

Blackburnian Warbler

The Blackburnian Warbler (Setophaga fusca) is a small New World warbler. They breed in eastern North America, from southern Canada, westwards to the southern Canadian Prairies, the Great Lakes region and New England, to North Carolina.

Yellow Warbler

The American Yellow Warbler (Setophaga petechia, formerly Dendroica petechia) is a New World warbler species. Sensu lato, they make up the most widespread species in the diverse Setophaga genus, breeding in almost the whole of North America and down to northern South America.

Chestnut-sided Warbler

The Chestnut-sided Warbler (Setophaga pensylvanica) is a New World warbler. They breed in eastern North America and in southern Canada westwards to the Canadian Prairies. They also breed in the Great Lakes region and in the eastern USA.

Blackpoll Warbler

The Blackpoll Warbler (Setophaga striata) is a New World warbler. Breeding males are mostly black and white. They have a prominent black cap, white cheeks and white wing bars. The Blackpoll breeds in northern North America, from Alaska, through most of Canada, and into the Great Lakes region and New England.

Black-throated Blue Warbler

The Black-throated Blue Warbler (Setophaga caerulescens) is a small passerine bird of the New World warbler family. Its breeding ranges are located in the interior of deciduous and mixed forests in eastern North America. Over the cooler months, it migrates to islands in the Caribbean and Central America. It is a very rarely found in western Europe, where it is considered to be ...more ↓

Palm Warbler

The Palm Warbler (Setophaga palmarum) is a small songbird of the New World warbler family.

Pine Warbler

The Pine Warbler (Setophaga pinus) is a small songbird of the New World warbler family.

Yellow-rumped Warbler

Four closely related North American bird forms—the eastern Myrtle Warbler (ssp coronata), its western counterpart, Audubon's Warbler (ssp group auduboni), the northwest Mexican Black-fronted Warbler (ssp nigrifrons), and the Guatemalan Goldman's Warbler (ssp goldmani)—are periodically lumped as the Yellow-rumped Warbler (Setophaga coronata).

Yellow-throated Warbler

The Yellow-throated Warbler (Setophaga dominica) is a small migratory songbird species breeding in temperate North America. It belongs to the New World warbler family (Parulidae).

Prairie Warbler

The Prairie Warbler, (Setophaga discolor), is a small songbird of the New World warbler family.

Black-throated Gray Warbler

The Black-throated Gray Warbler (Setophaga nigrescens) is a songbird of the New World warbler family. It is 13 cm (5 in) long and has black, gray, and white plumage. It breeds in western North America from British Columbia to New Mexico, and winters in Mexico and the southwestern United States. Common in its forest habitats, it does not seem to be seriously threatened by human ...more ↓

Hermit Warbler

The Hermit Warbler (Setophaga occidentalis) is a small perching bird. It is a species of New World warbler.

Black-throated Green Warbler

The Black-throated Green Warbler (Setophaga virens) is a small songbird of the New World warbler family.

Canada Warbler

The Canada Warbler (Cardellina canadensis) is a small 13 cm long songbird of the New World warbler family.

Yellow-breasted Chat

The Yellow-breasted Chat (Icteria virens) is a large songbird, formerly considered the most atypical member of the New World warbler family, though the long-standing suspicion is that it does not actually belong there. Its placement is not definitely resolved. It is the only member of the genus Icteria.

Green-tailed Towhee

The Green-tailed Towhee (Pipilo chlorurus) is the smallest towhee, but is still one of the larger members of the "American sparrow" family Emberizidae.

Spotted Towhee

The Spotted Towhee (Pipilo maculatus) is a large New World sparrow. The taxonomy of the towhees has been debated in recent decades, and formerly this bird and the Eastern Towhee were considered a single species, the Rufous-sided Towhee. An archaic name for the Spotted Towhee is the Oregon Towhee (Pipilo maculatus oregonus).

Eastern Towhee

The Eastern Towhee (Pipilo erythrophthalmus) is a large New World sparrow. The taxonomy of the towhees has been under debate in recent decades, and formerly this bird and the Spotted Towhee were considered a single species, the Rufous-sided Towhee.

American Tree Sparrow

The American Tree Sparrow (Spizella arborea), formerly known as the Winter Sparrow, is a medium-sized sparrow.

Chipping Sparrow

The Chipping Sparrow (Spizella passerina) is a species of American sparrow in the family Emberizidae. It is widespread, fairly tame, and common across most of its North American range.

Clay-colored Sparrow

The Clay-colored Sparrow (Spizella pallida) is a small sparrow of North America.

Field Sparrow

The Field Sparrow (Spizella pusilla) is a small sparrow.

Vesper Sparrow

The Vesper Sparrow (Pooecetes gramineus) is a medium-sized American sparrow. It is the only member of the genus Pooecetes.

Lark Sparrow

The Lark Sparrow (Chondestes grammacus) is a fairly large American sparrow. It is the only member of the genus Chondestes.

Lark Bunting

The Lark Bunting (Calamospiza melanocorys) is a medium-sized American sparrow native to central and western North America.

Savannah Sparrow

The Savannah Sparrow (Passerculus sandwichensis) is a small American sparrow. It is the only widely accepted member of the genus Passerculus. Comparison of mtDNA NADH dehydrogenase subunit 2 and 3 sequences indicates that the Ipswich Sparrow, formerly usually considered a valid species (as Passerculus princeps), is a well-marked subspecies of ...more ↓

Grasshopper Sparrow

The Grasshopper Sparrow (Ammodramus savannarum) is a small American sparrow. The genus Ammodramus contains 9 species which inhabit grasslands and prairies.

Saltmarsh Sparrow

The Saltmarsh Sparrow (Ammodramus caudacutus) is a small sparrow. At one time, this bird and the Nelson's Sparrow were thought to be a single species, the Sharp-tailed Sparrow. Because of this, the species was briefly known as "Saltmarsh Sharp-tailed Sparrow".

Seaside Sparrow

The Seaside Sparrow (Ammodramus maritimus) is a small American sparrow.

Fox Sparrow

The Fox Sparrow (Passerella iliaca) is a large American sparrow. It is the only member of the genus Passerella, although some authors split the genus into four species (see below).

Song Sparrow

The Song Sparrow (Melospiza melodia) is a medium-sized American sparrow. Among the native sparrows in North America, it is easily one of the most abundant, variable and adaptable species.

Swamp Sparrow

The Swamp Sparrow (Melospiza georgiana) is a medium-sized sparrow related to the Song Sparrow.

White-throated Sparrow

The White-throated Sparrow (Zonotrichia albicollis) is a passerine bird of the American sparrow family Emberizidae.

White-crowned Sparrow

The White-crowned Sparrow (Zonotrichia leucophrys) is a medium-sized sparrow native to North America.

Golden-crowned Sparrow

The Golden-crowned Sparrow (Zonotrichia atricapilla) is a large American sparrow found in the western part of North America.

Dark-eyed Junco

The Dark-eyed Junco (Junco hyemalis) is the best-known species of the juncos, a genus of small grayish American sparrows. This bird is common across much of temperate North America and in summer ranges far into the Arctic. It is a very variable species, much like the related Fox Sparrow (Passerella iliaca), and its systematics is still not completely untangled.

Summer Tanager

The Summer Tanager (Piranga rubra), is a medium-sized American songbird. Formerly placed in the tanager family (Thraupidae), it and other members of its genus are now classified in the cardinal family (Cardinalidae). The species's plumage and vocalizations are similar to other members of the cardinal family.

Scarlet Tanager

The Scarlet Tanager (Piranga olivacea) is a medium-sized American songbird. Formerly placed in the tanager family (Thraupidae), it and other members of its genus are now classified in the cardinal family (Cardinalidae). The species' plumage and vocalizations are similar to other members of the cardinal family.

Western Tanager

The Western Tanager (Piranga ludoviciana), is a medium-sized American songbird. Formerly placed in the tanager family (Thraupidae), it and other members of its genus are now classified in the cardinal family (Cardinalidae). The species's plumage and vocalizations are similar to other members of the cardinal family.

Northern Cardinal

The Northern Cardinal (Cardinalis cardinalis) is a North American bird in the genus Cardinalis; it is also known colloquially as the redbird or common cardinal. It can be found in southern Canada, through the eastern United States from Maine to Texas and south through Mexico. It is found in woodlands, gardens, shrublands, and swamps.

Rose-breasted Grosbeak

The Rose-breasted Grosbeak (Pheucticus ludovicianus) is a large insect-eating songbird in the cardinal family (Cardinalidae). It is primarily a foliage gleaner. It breeds in cool-temperate North America, migrating to tropical America in winter.

Black-headed Grosbeak

The Black-headed Grosbeak (Pheucticus melanocephalus) is a medium-size seed-eating bird in the same family as the Northern Cardinal, the Cardinalidae. It is sometimes considered conspecific with the Rose-breasted Grosbeak, P. ludovicianus, with which it hybridises on the Great Plains.

Blue Grosbeak

Blue Grosbeak (Passerina caerulea, formerly Guiraca caerulea), is a medium-sized seed-eating bird in the same family as the Northern Cardinal, "tropical" or New World buntings, and "cardinal-grosbeaks" or New World grosbeaks.

Lazuli Bunting

The Lazuli Bunting (Passerina amoena) is a North American songbird named for the gemstone lapis lazuli.

Indigo Bunting

The Indigo Bunting (Passerina cyanea) is a small seed-eating bird in the family Cardinalidae. It is migratory, ranging from southern Canada to northern Florida during the breeding season, and from southern Florida to northern South America during the winter. It often migrates by night, using the stars to navigate. Its habitat is farmland, brush areas, and open woodland. The ...more ↓

Painted Bunting

The Painted Bunting (Passerina ciris) is a species of bird in the Cardinal family, Cardinalidae, that is native to North America.

Dickcissel

The Dickcissel (Spiza americana) is a small American seed-eating bird in the family Cardinalidae. It is the only member of the genus Spiza, though some sources list another supposedly extinct species (see below). In older works, it is often placed with the American sparrows in the Emberizidae; females especially resemble American sparrows in plumage.

Bobolink

The Bobolink (Dolichonyx oryzivorus) is a small New World blackbird and the only member of genus Dolichonyx.

Red-winged Blackbird

The Red-winged Blackbird (Agelaius phoeniceus) is a passerine bird of the family Icteridae found in most of North and much of Central America. It breeds from Alaska and Newfoundland south to Florida, the Gulf of Mexico, Mexico, and Guatemala, with isolated populations in western El Salvador, northwestern Honduras, and northwestern Costa Rica. It may winter as far north as ...more ↓

Eastern Meadowlark

The Eastern Meadowlark (Sturnella magna) is a medium-sized icterid bird, very similar in appearance to the Western Meadowlark. It occurs from eastern North America to South America, where it is also most widespread in the east.

Western Meadowlark

The Western Meadowlark (Sturnella neglecta) is a medium-sized icterid bird, about 8.5 in (22 cm) long. It nests on the ground in open country in western and central North America grassland. It feeds mostly on insects, but also seeds and berries. It has distinctive calls described as watery or flute-like, which distinguish it from the closely related Eastern Meadowlark.

Yellow-headed Blackbird

The Yellow-headed Blackbird (Xanthocephalus xanthocephalus) is a medium-sized blackbird, and the only member of the genus Xanthocephalus.

Rusty Blackbird

The Rusty Blackbird (Euphagus carolinus) is a medium-sized blackbird, closely related to grackles (Rusty Grackle is an older name for the species). It is a bird that prefers wet forested areas, breeding in the boreal forest and muskeg across northern Canada, and migrating southeast to the United States during winter.

Common Grackle

The Common Grackle (Quiscalus quiscula) is a large icterid which is found in large numbers through much of North America.

Boat-tailed Grackle

The Boat-tailed Grackle (Quiscalus major) is a passerine bird of the family Icteridae found as a permanent resident on the coasts of the southeastern USA. It is found in coastal saltwater marshes, and, in Florida, also on inland waters. The nest is a well-concealed cup in trees or shrubs near water; three to five eggs are laid.

Brown-headed Cowbird

The Brown-headed Cowbird (Molothrus ater) is a small brood parasitic icterid of temperate to subtropical North America. They are permanent residents in the southern parts of their range; northern birds migrate to the southern United States and Mexico in winter, returning to their summer habitat around March or April.

Orchard Oriole

The Orchard Oriole (Icterus spurius) is the smallest North American species of icterid blackbird. The subspecies of the Caribbean coast of Mexico, I. s. fuertesi, is sometimes considered a separate species, the Ochre Oriole.

Baltimore Oriole

The Baltimore Oriole (Icterus galbula) is a small icterid blackbird that commonly occurs in eastern North America as a migratory breeding bird. This bird received its name from the fact that the male's colors resemble those on the coat-of-arms of Lord Baltimore. Like all icterids called "orioles", it is named after an unrelated, physically similar family found in the Old World: ...more ↓

Brambling

The Brambling (Fringilla montifringilla) is a small passerine bird in the finch family Fringillidae. The common English name is probably derived from Common West Germanic *brâma, meaning bramble or a thorny bush. (Compare Standard German Brämling with the same meaning.) It has also been called the Cock o' the North and the Mountain Finch.

Pine Grosbeak

The Pine Grosbeak (Pinicola enucleator) is a large member of the true finch family, Fringillidae. It is found in coniferous woods across Alaska, the western mountains of the United States, Canada, and in subarctic Fennoscandia and Siberia. During winter, pine grosbeaks in parts of North America move southward, bringing them as far south as the upper Midwest and New England in ...more ↓

Purple Finch

The Purple Finch (Haemorhous purpureus) is a bird in the finch family Fringillidae.

House Finch

The House Finch (Haemorhous mexicanus) is a bird in the finch family Fringillidae, which is found in North America. This species and the other "American rosefinches" are placed in the genus Haemorhous by the American Ornithologists' Union but have usually been included in Carpodacus.

Red Crossbill

The Red Crossbill (Loxia curvirostra) is a small passerine bird in the finch family Fringillidae, also known as the Common Crossbill in Eurasia. Crossbills have distinctive mandibles, crossed at the tips, which enable them to extract seeds from conifer cones and other fruits.

White-winged Crossbill

The Two-barred Crossbill (Loxia leucoptera), known as the White-winged Crossbill in North America, is a small passerine bird in the finch family Fringillidae. It has two subspecies, White-winged Crossbill Loxia leucoptera leucoptera in North America, and Two-barred Crossbill Loxia leucoptera bifasciata in NE Europe and N Asia.

Common Redpoll

The Common Redpoll (Carduelis flammea) is a species in the finch family. It breeds somewhat further south than the Arctic Redpoll, also in habitats with thickets or shrubs. Nominate C. f. flammea (Mealy Redpoll) breeds across the northern parts of North America and Eurasia. There is also an Icelandic subspecies, Icelandic Redpoll (C. f. islandica), ...more ↓

Hoary Redpoll

The Arctic Redpoll (Carduelis hornemanni), known in North America as the Hoary Redpoll, is a bird species in the finch family Fringillidae. It breeds in tundra birch forest. It has two subspecies, C. h. hornemanni (Greenland or Hornemann's Arctic Redpoll) of Greenland and neighbouring parts of Canada, and C. h. exilipes (Coues's Arctic ...more ↓

Pine Siskin

The Pine Siskin (Carduelis pinus) is a North American bird in the finch family. It is a migratory bird with an extremely sporadic winter range.

American Goldfinch

The American Goldfinch (Carduelis tristis), also known as the Eastern Goldfinch, is a small North American bird in the finch family. It is migratory, ranging from mid-Alberta to North Carolina during the breeding season, and from just south of the Canadian border to Mexico during the winter.

Evening Grosbeak

The Evening Grosbeak (Coccothraustes vespertinus) is a large finch. In the past, it was treated in a genus of its own as Hesperiphona vespertina, but is now usually placed in the same genus as the Hawfinch of Eurasia.

House Sparrow

The House Sparrow (Passer domesticus) is a bird of the sparrow family Passeridae, found in most parts of the world. A small bird, it has a typical length of 16 cm (6.3 in) and a weight of 24–39.5 g (0.85–1.39 oz). Females and young birds are coloured pale brown and grey, and males have brighter black, white, and brown markings. One of about 25 species in the genus Passer, ...more ↓

American Toad

The American toad (Bufo americanus) is a common species of toad found throughout the eastern United States and Canada. It is divided into three subspecies—the eastern American toad (B. a. americanus), the dwarf American toad (B. a. charlesmithi), and the rare Hudson Bay toad (B. a. copei). A new taxonomy considers this species Anaxyrus ...more ↓

American Bullfrog

The American bullfrog (Lithobates catesbeianus), often simply known as the bullfrog in Canada and the United States, is an aquatic frog, a member of the family Ranidae, or “true frogs”. This species has traditionally been classified as Rana catesbeiana, however the classification has been changed to Lithobates due to paraphyly in Ranidae. This frog has an ...more ↓

Fowler's Toad

Fowler's toad (Anaxyrus fowleri syn. Bufo fowleri) is a species of toad in the family Bufonidae. It is native to North America, where it occurs in much of the eastern United States and parts of adjacent Canada.

Gray Treefrog

The gray tree frog or gray treefrog (Hyla versicolor) is a species of small arboreal frog native to much of the eastern United States and southeastern Canada.

Green Frog

The green frog (Lithobates clamitans) is a species of frog native to the eastern half of the United States and Canada. The two subspecies are the bronze frog and the northern green frog.

Spring Peeper

The spring peeper (Pseudacris crucifer) is a small chorus frog widespread throughout the eastern USA and Canada.

Northern Leopard Frog

The northern leopard frog (Lithobates pipiens) is a species of leopard frog from the true frog family, native to parts of Canada and United States. It is the state amphibian of Minnesota and Vermont.

Pickerel Frog

The pickerel frog (Rana palustris) is a small North American frog, characterized by the appearance of seemingly "hand-drawn" squares on its dorsal surface.

Wood Frog

The wood frog (Lithobates sylvaticus) has a broad distribution over North America, extending from the southern Appalachians to the boreal forest with several notable disjunct populations including lowland eastern North Carolina. The wood frog has garnered attention by biologists over the last century because of its freeze tolerance, relatively great degree of terrestrialism (for ...more ↓

Eastern Spadefoot

Scaphiopus holbrookii, commonly known as the Eastern spadefoot, is a species of spadefoot endemic to North America.

Edited by haleynedd, some rights reserved (CC BY-SA)