COSEWIC Status Reports

COSEWIC Assessment & Update Status Report on the Western Chorus Frog (Pseudacris triseriata) Carolinian Population and Great Lakes/St. Lawrence – Canadian Shield Population in Canada

The Western Chorus Frog, Pseudacris triseriata, is a small tree frog about 2.5 cm long and weighing about 1 g when adult. It has three dark lines along its back and one larger line on each flank. Its ground colour can range from brown to grey to olive. The species is easily detected during spring because of its creaking call that resembles the sound of a fingernail stroked along a plastic comb. It is a secretive species and thus rarely seen outside the breeding season.

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Contact Person(s)

COSEWIC Secretariat
c/o Canadian Wildlife Service
Environment Canada
Ottawa, ON
K1A 0H3
Tel: 819-938-4125
Fax: 819-938-3984
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Related Species

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