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Species Description- Western Chorus Frog
Psuedacris triseriata triseriata

Western Chorus Frog
Western Chorus Frog
Psuedacris t. triseriata
Livingston County, NY

Identification- 3/4-1 1/2" (1.9-3.5cm)  Small brownish to greenish frog with three parallel lines running the length of the back and a white line along the upper lip.
    Voice- an upwards rising croak (.wav file 344 Kb.) often described as similar to the sound produced by running a fingernail along the teeth of a comb.
    Similar Species- Spring peeper can be distinguished by a large "X" on the back.

Range- Found in the western third of the state, also the far north.

Habitat-  Breeds in shallow bodies of water with an abundance of emergent plants.  In my experience they are most common in grassy areas and fields bordering brushy habitat.  Non-breeding season they are found in a wide variety of habitats.

Reproduction-  An explosive breeder.  Along with Spring Peepers these are the first frogs to sing in spring.  Seldom heard calling outside the breeding season.  Often breeds in temporary bodies of water so tadpole stage is correspondingly short.

Western Chorus Frog
Western Chorus Frog
Psuedacris t. triseriata
Livingston County, NY

General Characteristics-
    Like the Spring Peeper they are one of the first frogs heard in spring.  Large choruses of this species can be heard in grassy, wet areas.  They are seldom seen outside the breeding season as they are shy and easily spooked.  Even during the breeding season they are difficult to find.  Their calls are often the only acknowldedgement of their presence.  Patience and persistence is the key and it is possible to locate calling males with a flashlight.  They are nocturnal.


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