Cope's gray treefrog

Hyla chrysoscelis

Cope's gray treefrog


Photo: © J. Gerholdt.


General description: Cope's gray treefrog closely resembles the gray treefrog (H. versicolor) and can only be distinguished in the field by their call. Large adhesive pads on tips of fingers and toes enable them to climb vegetation.

Length: 1 1/4 - 2 inches (3.2-5.1 cm)

Color: Coloration is normally solid green or mottled gray with bright yellow-orange coloring on inner surface of hind legs.

Sounds: A fast, metallic buzz like trill.


Eggs are laid in loose clusters of up to 40 eggs and are attached to vegetation near the surface of the water. The eggs hatch in three to six days, transforming within two months. Sexual maturity is reached within two years.

Cope's gray treefrog range map.

Cope's gray treefrog range

Habitat and range

Breeding habitat: Temporary shallow ponds, flooded fields, river backwaters, lake edges, and roadside ditches.

Summer habitat: Associated with a variety of habitats, including urban environments, but often found in grasslands or forest edges.

Winter habitat: Terrestrial.

Population and management

Cope's gray treefrog have no special status in Minnesota.

Fun facts

Skin secretions may be irritating to the mucous membranes of human eyes and nose.

The species name chrysoscelis is from Greek chrysos gold and scelis leg.