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Northeastern bulrush, first described as a new species by A.E. Schuyler in 1962, is a leafy, perennial herb approximately 80-120 centimeters in height. The lowermost leaves are up to 8 millimeters (mm) wide and 40-60 times as long as wide, while the uppermost leaves are 3-5 mm wide and 30-50...

The small whorled pogonia is a member of the orchid family. The plant is named for the whorl of five or six leaves near the top of the stem and beneath the flower. The species is listed as threatened under the Endangered Species Act. 

Swamp pink has smooth, oblong, dark green leaves that form an evergreen rosette. In spring, some rosettes produce a flowering stalk that can grow over 3 feet tall. The stalk is topped by a 1 to 3-inch-long cluster of 30 to 50 small, fragrant, pink flowers dotted with pale blue anthers. The...

The bog buck moth occurs in groundwater-fed wetlands in Oswego County, New York, and Ontario, Canada, with large amounts of bog buckbean (a plant that is a key food source, or “host plant� for bog buck moth larvae, much as milkweed is a host plant for monarch butterfly larvae).

The frosted elfin was originally described as Polyommatus irus by Jean-Baptiste Godart in 1824, (Johnson 1991, p. 153). The current name is Callophrys irus, and it was previously assigned to the genus Incisalia (Scudder). The similar looking HenryÂ’s elfin (C. henrici) was not described until...

The Karner blue butterfly was first described more than a century ago in Karner, New York. It is a small butterfly, with a wingspan of about one inch. The male's wings are distinctively marked with a silvery or dark blue color. The female is grayish brown, especially on the outer portions of the...

Monarch butterflies are pollinators that are well known for their impressive long-distance migration and their recent declines. The species highlights the need for conservation efforts for all pollinators across the nation. Learn more about monarch conservation efforts, including what the U.S....

Historically, the rusty patched bumble bee was broadly distributed across the eastern United States, Upper Midwest, and southern Quebec and Ontario in Canada. Since 2000, this bumble bee has been reported from only 13 states and 1 Canadian province: Illinois, Indiana, Iowa, Maine, Maryland,...

The clubshell is a small to medium size (up to 3 inches long) freshwater mussel that was listed as endangered, without critical habitat, in 1993 (58 FR 5638-5642). Its shell exterior is yellow to brown with bright green blotchy rays and shell interior is typically white. The shell is wedge...

In 1831, Isaac Lea described the longsolid, a medium-sized mussel, up to five inches long, which potentially live up to 50 years.  It is found in small streams to large rivers, and prefers a mixture of sand, gravel, and cobble substrates.

The mussel is found in Alabama, Kentucky,...

The northern riffleshell is a small to medium size (up to 3 inches long) freshwater mussel that was listed as endangered, without critical habitat, in 1993 (58 FR 5638-5642). Its shell exterior is brownish yellow to yellowish green with fine green rays. The shell interior is typically white. The...

The round hickorynut mussel is a wide-ranging species, historically known from 12 states, though now occurs in nine, as well as the Canadaian Province of Ontario.  It is currently found in five major basins: Great Lakes, Ohio (where it is most prevalent), Cumberland, Tennessee, and Lower...

A large raptor, the bald eagle has a wingspread of about seven feet. Adults have a dark brown body and wings, white head and tail, and a yellow beak. Juveniles are mostly brown with white mottling on the body, tail, and undersides of wings. Adult plumage usually is obtained by the sixth year. In...

References cited in Species Profile

Size: 18 cm (7.25 in) in length. Color: Breeding season: Pale brown above, lighter below; black band across forehead; bill orange with black tip; legs orange; white rump. Male: Complete or incomplete black band encircles the body at the breast. Female: Paler head band; incomplete breast band....

Length: 25-28 cm. Adults in spring: Above finely mottled with grays, black and light ochre, running into stripes on crown; throat, breast and sides of head cinnamon-brown; dark gray line through eye; abdomen and undertail coverts white; uppertail coverts white, barred with black. Adults in...

The roseate tern is about 40 centimeters in length, with light-gray wings and back. Its first three or four primaries are black and so is its cap. The rest of the body is white, with a rosy tinge on the chest and belly during the breeding season. The tail is deeply forked, and the outermost...

Massasaugas are small snakes with thick bodies, heart-shaped heads and vertical pupils. The average length of an adult is about 2 feet. Adult massasaugas are gray or light brown with large, light-edged chocolate brown blotches on the back and smaller blotches on the sides. The snake's belly is...

The Indiana bat is a medium-sized Myotis, closely resembling the little brown bat (Myotis lucifugus) but differing in coloration. Its fur is a dull grayish chestnut rather than bronze, with the basal portion of the hairs on the back a dull-lead color. This bat's underparts are pinkish to...

The New England cottontail (Sylvilagus transitionalis) is a medium-large sized cottontail rabbit that may reach 1,000 grams (2.2 pounds) in weight. Sometimes called the gray rabbit, brush rabbit, wood hare or cooney, it can usually be distinguished from the sympatric eastern cottontail and...

The eastern hellbender is a large, aquatic salamander that occurs in cool, permanent streams across 15 states. Cool and clear water is important because hellbenders breathe entirely through their skin, which contains numerous folds to increase oxygen absorption. Adult eastern hellbenders spend...