Chorus Frog (Pseudacris triseriata)

Adult Size: ¾" to 1½"

Description: The skin is smooth and greenish-gray to brown. Three dark stripes down the back, that may be broken, reduced, or absent. A dark stripe through the eye and white stripe along the upper lip. Small round toe tips.

Voice: A rasping, rising trill lasting 1 to 2 secionds, like the sound of a fingernail running over the teeth of a comb. Males call while sitting upright on floating vegetation.

Habitat: Grassy areas from dry to swampy to agricultural; also the suburbs where pollution and pesticides are not a problem; woodlands, and river swamps.

Breeding: All winter in warmer areas of its range, late winter to summer in the northern areas.

Range: Very Widespread! Found from Alberta Canada to northern New York (except New England, the northern Appalachians, and the southern coast), south to Georgia, west to Arizona.

Diet:

Behavior: Nocturnal. At the slightest threat they disappear beneath the surface.

Video

Conservation Status:

Additonal Notes: Chorus frogs may be heard calling on warm nights in early spring even before all of the ice has diappeared from the water.

Subspecies: Four in our range.

Western Chorus Frog (P.t. triseriata) - dark stripes. Found in Wisconsin to extreme southern Quebec, south through western New York and north of the Ohio River to central Oklahoma, west to Nebraska and South Dakota, and northeastern lake Superior with a disjunct population occuring in central Arizona and New Mexico. Photo...

Upland Chorus Frog (P.t. feriarum) - thin dark stripes or rows of small spots. Found in eastern Pennsylvania south to the Florida panhandle and west to eastern Texas and Oklahoma, and north to Kentucky. Photo...

New Jersey Chorus Frog (P.t. kalmi) - larger in size, with prominent dark stripes. Found in extreme southern New York along the coastal plain through the Delmarva Peninsula. Photo...

Boreal Chorus Frog (P.t. maculata) - shorter hind legs and dark stripe ir spots. Found in northwestern Canada near Great Bear Lake to northern Ontario, south through northern Michigan to northern New Mexico, west to central Utah, eastern idaho, and along the eastern slopes of the Rocky Mountains to British Columbia. Photo...