Includes rare, incidental, and introduced species.
Information and species will be continuously updated.
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.
The Lazuli Bunting (Passerina amoena) is a North American songbird named for the gemstone lapis lazuli.
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 ↓
The Painted Bunting (Passerina ciris) is a species of bird in the Cardinal family, Cardinalidae, that is native to North America.
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.
The Bobolink (Dolichonyx oryzivorus) is a small New World blackbird and the only member of genus Dolichonyx.
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 ↓
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.
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.
The Yellow-headed Blackbird (Xanthocephalus xanthocephalus) is a medium-sized blackbird, and the only member of the genus Xanthocephalus.
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.
The Common Grackle (Quiscalus quiscula) is a large icterid which is found in large numbers through much of North America.
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.
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.
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.
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 ↓
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.
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 ↓
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.
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.
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.
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 ↓
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 ↓
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.
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.
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.
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 ↓
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 ↓
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 (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.
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.
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.
The spring peeper (Pseudacris crucifer) is a small chorus frog widespread throughout the eastern USA and Canada.
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.
The pickerel frog (Rana palustris) is a small North American frog, characterized by the appearance of seemingly "hand-drawn" squares on its dorsal surface.
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 ↓
Scaphiopus holbrookii, commonly known as the Eastern spadefoot, is a species of spadefoot endemic to North America.
The blue-spotted salamander (Ambystoma laterale) is a mole salamander native to the Great Lakes states and northeastern United States, and parts of Ontario and Quebec in Canada. Their range is known to extend to James Bay to the north, and southeastern Manitoba to the west.
The marbled salamander (Ambystoma opacum) is a species of mole salamander found in the eastern United States.
The Jefferson salamander (Ambystoma jeffersonianum) is a mole salamander native to the northeastern United States, southern and central Ontario, and southwestern Quebec. It was named after Jefferson College in Pennsylvania.
The spotted salamander or yellow-spotted salamander (Ambystoma maculatum) is a mole salamander common in the eastern United States and Canada. The spotted salamander is the state amphibian of South Carolina. This salamander ranges from Nova Scotia, to Lake Superior, to southern Georgia and Texas. Its embryos have been found to have symbiotic algae living inside them.
The Four-toed Salamander (Hemidactylium scutatum) is a Lungless Salamander native to eastern North America. It is a species of the monotypic Hemidactylium genus. (In Francophone Canada, it is called the salamandre à quatre orteils.)
Desmognathus fuscus is an amphibian in the lungless salamander family. The species is commonly called the dusky salamander or northern dusky salamander to distinguish it from populations in the southern United States which form a separate species, the southern dusky salamander (D. auriculatus). It can be found in eastern North America from extreme eastern ...more ↓
The spring salamander (Gyrinophilus porphyriticus) is a species of salamander in the family Plethodontidae. The specific name is Latin from Greek, meaning the color of porphyry, a purple stone, and this salamander has also been called the purple salamander. It is found in Canada and the United States. Its natural habitats are temperate forests, rivers, swamps, ...more ↓
The northern two-lined salamander (Eurycea bislineata) is a species of salamander in the Plethodontidae family found in Canada and the United States. Its natural habitats are temperate forests, temperate shrubland, rivers, intermittent rivers, freshwater marshes, freshwater springs, arable land, and urban areas. It is more water-oriented than the related northern redback ...more ↓
The red back (or redback or red-backed) salamander (Plethodon cinereus) is a small, hardy woodland salamander. It inhabits wooded slopes in eastern North America, west to Missouri, south to North Carolina, and north from southern Quebec and the Maritime Provinces in Canada to Minnesota. It is also known as the eastern red-backed salamander or ...more ↓
The eastern newt (Notophthalmus viridescens) is a common newt of eastern North America. They frequent small lakes, ponds, and streams or near-by wet forests. They can coexist in an aquatic environment with small, noncarnivorous fish, as their skin secretes a poisonous substance when the newt is threatened or injured. They have lifespans of 12 to 15 years in the wild, and may ...more ↓
The common snapping turtle (Chelydra serpentina) is a large freshwater turtle of the family Chelydridae. Its natural range extends from southeastern Canada, southwest to the edge of the Rocky Mountains, as far east as Nova Scotia and Florida. This species and the larger alligator snapping turtle are the only two species in this family found in North America (though the common ...more ↓
The northern slimy salamander, Plethodon glutinosus, is a species of terrestrial plethodontid salamander found through much of the eastern two-thirds of the United States, from New York, west to Illinois, south to Texas, and east to Florida, with isolated populations in southern New Hampshire and northwestern Connecticut. It is called "slimy" because it is capable of ...more ↓
The wood turtle (Glyptemys insculpta) is a turtle endemic to North America. It is in the genus Glyptemys, a designation given to only one other turtle: the bog turtle. The wood turtle reaches a carapace length of 14 to 20 centimeters (5.5 to 7.9 in), its defining characteristic being the pyramidal pattern on its upper shell. Morphologically, it is similar to the bog ...more ↓
The common mudpuppy (Necturus maculosus) is a species of salamander in the genus Necturus. They live an entirely aquatic lifestyle in the eastern part of North America in lakes, rivers, and ponds. Mudpuppies go through paedomorphosis and retain their external gills. Because skin and lung respiration alone is not sufficient for gas exchange, mudpuppies must rely on ...more ↓
The common box turtle (Terrapene carolina) is a species of box turtle with six existing subspecies. It is found throughout the eastern United States and Mexico. The box turtle has a distinctive hinged lowered shell (the box) that allows it to completely enclose itself. Its upper jaw is long and curved.
The bog turtle (Glyptemys muhlenbergii) is a semiaquatic turtle endemic to the eastern United States. It was first scientifically described in 1801 after an 18th-century survey of Pennsylvania. It is the smallest North American turtle, measuring about 10 centimeters (4 in) long when fully grown. Although the bog turtle is similar in appearance to the painted or spotted turtles, ...more ↓
The painted turtle (Chrysemys picta) is the most widespread native turtle of North America. It lives in slow-moving fresh waters, from southern Canada to Louisiana and northern Mexico, and from the Atlantic to the Pacific. The turtle is the only species of the genus Chrysemys, which is part of the pond turtle family Emydidae. Fossils show that the painted turtle ...more ↓
The diamondback terrapin (Malaclemys terrapin) or simply terrapin, is a species of turtle native to the brackish coastal swamps of the eastern and southern United States. It belongs to the monotypic genus, Malaclemys. It has one of the largest ranges of all turtles in North America, stretching as far south as Florida Keys and as far north as Cape Cod.
The Spotted turtle (Clemmys guttata), the only extant species of Clemmys, is a small, semi-aquatic (this means that it lives in part water and part on land)turtle that reaches a carapace length of 8–12 cm (3.1–4.7 in) upon adulthood. Their broad, smooth, low dark-colored upper shell, or carapace, ranges in its exact colour from black to a bluish black with a number of ...more ↓
Sternotherus odoratus is a species of small turtle native to southeastern Canada and much of the Eastern United States. It is also known as the common musk turtle or stinkpot due to its ability to release a foul musky odor from scent glands on the edge of its shell, possibly to deter predation.
Pantherophis alleghaniensis, commonly called the eastern ratsnake, is a harmless colubrid species endemic to North America.
The Common Garter Snake (Thamnophis sirtalis) is an indigenous North American snake found widely across the continent. Most garter snakes have a pattern of yellow stripes on a brown or green background and their average length is about 55 cm (22 in), with a maximum length of about 137 cm (54 in). The average body mass is 150 g (5.3 oz).
Heterodon platirhinos, commonly known as the eastern hog-nosed snake,spreading adder, or deaf adder, is a harmless colubrid species endemic to North America. No subspecies are currently recognized.
Lampropeltis triangulum, commonly known as a milk snake or milksnake, (French: Couleuvre tachetée; Spanish: Culebra-real coralillo) is a species of king snake. There are 24 subspecies of milk snakes. Lampropeltis elapsoides, the scarlet kingsnake, was formerly classified as the subspecies L. t. elapsoides, but is now recognized as a ...more ↓
The ribbon snake or ribbonsnake (Thamnophis sauritus) is a common species of garter snake endemic to eastern North America. It averages 16–35 in (41–89 cm) in length and is a member of the genus Thamnophis.
Coluber constrictor is a species of nonvenomous, colubrid snake, endemic to North America and Central America. Eleven subspecies, including the nominotypical subspecies, are recognized, which as a group are commonly referred to as the eastern racers.
Storeria dekayi, commonly known as the brown snake or De Kay's snake, is a small species of colubrid snake.
Storeria occipitomaculata, commonly known as the redbelly snake, is a species of snake endemic to North America. The following subspecies are recognized:
The ring-necked snake or ringneck snake, Diadophis punctatus, is a species of colubrid snake found throughout much of the United States, central Mexico, and southeastern Canada. Ring-necked snakes are secretive, nocturnal snakes, so are rarely seen during the day time. They are slightly venomous, but their nonaggressive nature and small, rear-facing fangs pose ...more ↓
The northern water snake (Nerodia sipedon) is a species of large, nonvenomous, common snake in the Colubridae family that is native to North America.
The smooth green snake (Opheodrys vernalis) is a nonvenomous North American colubrid. It is also referred to as the grass snake. It is a slender, "small medium" snake that measures 36–51 cm (14–20 in) as an adult. It gets its common name from its smooth dorsal scales, as opposed to the rough green snake, which has keeled dorsal scales. It is found in marshes, ...more ↓
Agkistrodon contortrix is a species of venomous snake endemic to North America, a member of the Crotalinae (pit viper) subfamily. The common name for the species is the copperhead. The behavior of Agkistrodon contortrix may lead to accidental encounters with humans. Five subspecies are currently recognized, including the nominate subspecies described here.
Crotalus horridus, commonly known as timber rattlesnake, canebrake rattlesnake or banded rattlesnake, is a species of venomous pit viper found in the eastern United States. This is the only rattlesnake species in most of the populous northeastern United States. No subspecies is currently recognized.
The (American) five-lined skink (Plestiodon fasciatus) is a species of lizard endemic to North America. It is one of the most common lizards in the eastern U.S. and one of the seven native species of lizards in Canada.
Adiantum pedatum (northern maidenhair fern, five-fingered fern) is a species of fern in the family Pteridaceae, native to moist woodland in eastern North America.
Asplenium rhizophyllum, the American Walking Fern, is a frequently-occurring fern native to North America. It is a close relative of Asplenium ruprechtii (syn: Camptosorus sibiricus) which is found in East Asia and also goes by the common name of walking fern.
Asplenium montanum, commonly known as the mountain spleenwort, is a small fern of the Appalachian Mountains. First described in 1810, it grows in small crevices in sandstone cliffs with highly acid soil. It can be recognized by its dark blue-green, highly divided leaves. A. montanum is the ancestor, through hybridization, of several other ferns of similar ...more ↓
Asplenium ruta-muraria is a species of fern commonly known as wall-rue. In Germany, it is known as Mauerraute or Mauerstreifenfarn. It is a very small epipetric species, growing exclusively on limestone and other calcareous rocks. It is native to both Europe and eastern North America. In Europe, it commonly invades masonry and is a common species, while in ...more ↓
Woodwardia virginica (Virginia chain fern, Woodwardie de virginie) is a leptosporangiate fern with long creeping, scaly, underground stems or rhizomes which give rise to tall (up to about 4 feet, 120 centimetres) widely separated, deciduous, single leaves. In contrast, the leaves of Osmundastrum cinnamomeum, which can be mistaken for W. virginica, ...more ↓
Asplenium trichomanes (commonly known as maidenhair spleenwort) is a small fern in the spleenwort genus Asplenium. It is a widespread and common species, occurring almost worldwide in a variety of rocky habitats. It is a variable fern with several subspecies.
Athyrium filix-femina (lady fern or common lady-fern) is a large, feathery species of fern native throughout most of the temperate Northern Hemisphere, where it is often abundant (one of the more common ferns) in damp, shady woodland environments and is often grown for decoration.
Sceptridium dissectum is a common fern (or fern-ally) in the family Ophioglossaceae, occurring in eastern North America. Like other plants in this group, it normally only sends up one frond per year. It has long been the subject of confusion because the frond presents in one of two forms, either the normal form (forma obliquum) that resembles other plants in the genus, or ...more ↓
Ophioglossum vulgatum, commonly known as the southern adders-tongue or adders-tongue fern, is a species of the plant genus Ophioglossum. It is native to temperate regions of the Northern Hemisphere, with a scattered distribution in Europe, Asia, northwestern Africa, and eastern North America.
Polystichum acrostichoides (Christmas fern) is an evergreen fern native to eastern North America from Nova Scotia west to Minnesota and south to Florida and eastern Texas. It is one of the most common ferns in eastern North America, being found in a wide variety of habitats and locations.
Onoclea sensibilis, the sensitive fern, also known as the bead fern, is a coarse-textured, medium to large-sized deciduous perennial fern. The name comes from the observation by early American settlers that it was very sensitive to frost, the fronds dying quickly when first touched by it. It is sometimes treated as the only species in Onoclea, but some ...more ↓
Woodsia ilvensis, commonly known as Oblong Woodsia, is a fern found in North America and northern Eurasia. Also known as Rusty Woodsia or Rusty Cliff Fern, it is typically found on sunny, exposed cliffs and rocky slopes and on thin, dry, acidic soils.
Woodsia obtusa is a common rock fern of Appalachia and eastern North America. It prefers a calcareous substrate, but also grows in neutral soils. It may grow on rock faces or in scree.
Lygodium palmatum is the only species of its genus native to North America. Unlike most species in the genus, this one, called the climbing fern or Hartford fern (after Hartford, Connecticut, is extremely hardy in temperate zones.
Botrychium matricariifolium (orth.var. B. matricariaefolium) is a common species of fern known by the common names chamomile grape-fern, daisyleaf grape-fern, and matricary grape-fern. It is native to Europe and parts of eastern North America, including eastern Canada and the United States.
Botrypus virginianus, sometimes called rattlesnake fern, is a low-growing herb in the Ophioglossales, commonly a foot high or smaller. The plant is ternately branched and the leaves feel soft. The stem is bicolor, being pinkish or light tan at the base but greenish nearer the branches or leaves.
Ophioglossum pusillum is a species of fernlike plant in the family Ophioglossaceae known by the common name northern adder's tongue. It is native to northern North America, where it is widespread in moist areas such as marshes, fens, and meadows. It is a small, inconspicuous, fleshy perennial plant growing from a caudex no more than 3 centimeters wide. It produces one ...more ↓
Osmundastrum cinnamomeum, the cinnamon fern, is a species of eusporangiate fern in the family Osmundaceae. It is native to the Americas and eastern Asia, growing in swamps, bogs and moist woodlands.
Osmunda claytoniana, the Interrupted Fern, is a fern native to Eastern Asia and eastern North America, in the Eastern United States and Eastern Canada.
Osmunda regalis, the royal fern, is a species of deciduous fern, native to Europe, Africa and Asia, growing in woodland bogs and on the banks of streams. The species is sometimes known as flowering fern due to the appearance of its fertile fronds.
Polypodium appalachianum is a recently recognized fern species, native to eastern North America. Sometimes called the Appalachian rockcap fern, it is very similar in appearance to Polypodium virginianum. For years, P. virginianum -- long considered a variety of the British Polypodium vulgare -- was recognized as having cryptic races, with diploid, ...more ↓
Phegopteris connectilis, commonly known as Long Beech Fern, is a species of fern native to forests of the Holarctic Kingdom.
Polypodium virginianum, commonly known as rock polypody, rock cap fern, or common polypody, is a small evergreen species of fern native to the Eastern United States and Canada. It generally grows on rocks and occasionally on tree roots in nature.