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Cope's Gray Treefrog and Eastern Gray Treefrog

Copes Gray TreefrogDescription

1 ¼ -2” (3.2-5.1cm). Color varies from green, brown, gray, to almost black. Bright yellow on underside of hind legs. Dirty white belly and dark band from snout through eye to shoulder. Light spot beneath the eye. Enlarged toe pads. In the field, the two species can only be distinguished by their calls.

Call Description

H. chrysocelis has short, loud, flute-like trill that lasts 1-3 seconds and repeated several times per minute. Faster and harsher than H. versicolor. H. versicolor has short, loud, flute-like trill that is slower and more melodic than H. chrysocelis.

Copes Gray Treefrog

Easter Gray Treefrog

Copes and Eastern Gray Treefrog

Indiana Range

H. chrysocelis is found in southern Indiana, but reported as far north as Delaware Co. H. versicolor is found in northern Indiana, not known south of Indy.


Flying insects, insect larvae, spiders, ants, small insects. Forages near lights.


Highly arboreal, found in trees or shrubs in woodlands and swamp forests, adapts well to farmlands and edges of cities.

Breeding Habitat

Flooded ditches or fields, shallow wetlands including marshes or ponds.

Breeding Season

Mid-April to end of July, males may call after breeding season is over when humidity is high.


Light colored, gray above and white below. Deposited in a cluster of 20-40 eggs, loosely attached near surface of water. Females may deposit up to 2,000 eggs. Hatch in 2-5 days.


Both species identical in appearance, cannot be distinguished in the field. ¼ inch in length, light yellow color, full-sized tadpoles have olive green body and may have brick red tail. Transform within two months, adult reaches maturity within two years.