Green Treefrog (Hyla cinerea) in a swamp adjacent to Larue Road (AKA: Snake Road), in the Shawnee National Forest in southern Illinois.

Treefrog, Green

Green Treefrog (Hyla cinerea) at the Jacksonville Zoo and Gardens.

Gray Treefrog

This is a Gray Treefrog (Hyla versicolor). They are a common treefrog in the Eastern United States. They are also known as; Gray Tree Frog, Cope's Gray Treefrog, Eastern Gray Treefrog, Common Gray Treefrog, Tetraploid Gray Treefrog, North American Treefrog, Arboreal Frog, or Rainette Versicolore (French). The genus (versicolor) implies that gray treefrogs can change their color, and indeed they can This helps them camouflage themselves and they can easily change from gray to green, depending on the object on which they are sitting. This coloration can have varying degrees of mottling. They cannot change their color quickly like a chameleon.

Cope's Grey Tree Frog

Head shot of a Cope's Grey Tree Frog (Hyla chrysoscelis) also known as an Eastern Gray Treefrog, Common Gray Treefrog, Tetraploid Gray Treefrog, or North American Tree Frog.

Cope's Grey Tree Frog

Profile shot of a Cope's Grey Tree Frog (Hyla chrysoscelis) also known as an Eastern Gray Treefrog, Common Gray Treefrog, Tetraploid Gray Treefrog, or North American Tree Frog.

Gray Tree Frog

This is a Gray Treefrog (Hyla versicolor). They are a common treefrog in the Eastern United States. They are also known as; Gray Tree Frog, Cope's Gray Treefrog, Eastern Gray Treefrog, Common Gray Treefrog, Tetraploid Gray Treefrog, North American Treefrog, Arboreal Frog, or Rainette Versicolore (French). The genus (versicolor) implies that gray treefrogs can change their color, and indeed they can This helps them camouflage themselves and they can easily change from gray to green, depending on the object on which they are sitting. This coloration can have varying degrees of mottling. They cannot change their color quickly like a chameleon.

Gray Tree Frog (Green Phase) close-up.

This frog is the green color phase of a Cope's Gray Tree Frog (Hyla chrysoscelis) on a maple tree. Its color makes it stand out on the maple tree bark. They are a common treefrog in the Eastern United States. They are also known as; Gray Tree Frog, Cope's Gray Treefrog, Eastern Gray Treefrog, Common Gray Treefrog, Tetraploid Gray Treefrog, Southern Gray Tree Frog, North American Treefrog, Arboreal Frog, or Rainette Versicolore (French). The genus (versicolor) implies that gray treefrogs can change their color, and indeed they can This helps them camouflage themselves and they can easily change from gray to green, depending on the object on which they are sitting. This coloration can have varying degrees of mottling. They cannot change their color quickly like a chameleon.

Gray Tree Frogs (Gray and Green Color Phases) closeup.

There are two Gray Tree Frog in this photograph. The green color phase is obvious on the bark of a Maple Tree, but the gray color phase frog above the green color phase frog is well camouflaged against the gray bark. These frogs are specifically known as, Cope's Gray Tree Frogs (Hyla chrysoscelis). They are also known as: Southern Gray Tree Frogs, Gray Tree Frogs, Gray Treefrogs, Eastern Gray Tree Frogs, Common Gray Tree Frogs, Tetraploid Gray Tree Frogs, or North American Tree Frogs.

This is a Gray Treefrog

This is a Gray Treefrog (Hyla versicolor). They are a common treefrog in the Eastern United States. They are also known as; Gray Tree Frog, Cope's Gray Treefrog, Eastern Gray Treefrog, Common Gray Treefrog, Tetraploid Gray Treefrog, North American Treefrog, Arboreal Frog, or Rainette Versicolore (French). The genus (versicolor) implies that gray treefrogs can change their color, and indeed they can This helps them camouflage themselves and they can easily change from gray to green, depending on the object on which they are sitting. This coloration can have varying degrees of mottling. They cannot change their color quickly like a chameleon.

This is a Gray Treefrog

This is a Gray Treefrog (Hyla versicolor). They are a common treefrog in the Eastern United States. They are also known as; Gray Tree Frog, Cope's Gray Treefrog, Eastern Gray Treefrog, Common Gray Treefrog, Tetraploid Gray Treefrog, North American Treefrog, Arboreal Frog, or Rainette Versicolore (French). The genus (versicolor) implies that gray treefrogs can change their color, and indeed they can This helps them camouflage themselves and they can easily change from gray to green, depending on the object on which they are sitting. This coloration can have varying degrees of mottling. They cannot change their color quickly like a chameleon.

This is a Gray Treefrog

This is a Gray Treefrog (Hyla versicolor). They are a common treefrog in the Eastern United States. They are also known as; Gray Tree Frog, Cope's Gray Treefrog, Eastern Gray Treefrog, Common Gray Treefrog, Tetraploid Gray Treefrog, North American Treefrog, Arboreal Frog, or Rainette Versicolore (French). The genus (versicolor) implies that gray treefrogs can change their color, and indeed they can This helps them camouflage themselves and they can easily change from gray to green, depending on the object on which they are sitting. This coloration can have varying degrees of mottling. They cannot change their color quickly like a chameleon.

This is a Gray Treefrog

This is a Gray Treefrog (Hyla versicolor). They are a common treefrog in the Eastern United States. They are also known as; Gray Tree Frog, Cope's Gray Treefrog, Eastern Gray Treefrog, Common Gray Treefrog, Tetraploid Gray Treefrog, North American Treefrog, Arboreal Frog, or Rainette Versicolore (French). The genus (versicolor) implies that gray treefrogs can change their color, and indeed they can This helps them camouflage themselves and they can easily change from gray to green, depending on the object on which they are sitting. This coloration can have varying degrees of mottling. They cannot change their color quickly like a chameleon.

This is a Gray Treefrog

This is a Gray Treefrog (Hyla versicolor). They are a common treefrog in the Eastern United States. They are also known as; Gray Tree Frog, Cope's Gray Treefrog, Eastern Gray Treefrog, Common Gray Treefrog, Tetraploid Gray Treefrog, North American Treefrog, Arboreal Frog, or Rainette Versicolore (French). The genus (versicolor) implies that gray treefrogs can change their color, and indeed they can This helps them camouflage themselves and they can easily change from gray to green, depending on the object on which they are sitting. This coloration can have varying degrees of mottling. They cannot change their color quickly like a chameleon.

This is a Gray Treefrog

This is a Gray Treefrog (Hyla versicolor). They are a common treefrog in the Eastern United States. They are also known as; Gray Tree Frog, Cope's Gray Treefrog, Eastern Gray Treefrog, Common Gray Treefrog, Tetraploid Gray Treefrog, North American Treefrog, Arboreal Frog, or Rainette Versicolore (French). The genus (versicolor) implies that gray treefrogs can change their color, and indeed they can This helps them camouflage themselves and they can easily change from gray to green, depending on the object on which they are sitting. This coloration can have varying degrees of mottling. They cannot change their color quickly like a chameleon.

This is a Gray Treefrog

This is a Gray Treefrog (Hyla versicolor). They are a common treefrog in the Eastern United States. They are also known as; Gray Tree Frog, Cope's Gray Treefrog, Eastern Gray Treefrog, Common Gray Treefrog, Tetraploid Gray Treefrog, North American Treefrog, Arboreal Frog, or Rainette Versicolore (French). The genus (versicolor) implies that gray treefrogs can change their color, and indeed they can This helps them camouflage themselves and they can easily change from gray to green, depending on the object on which they are sitting. This coloration can have varying degrees of mottling. They cannot change their color quickly like a chameleon.

This is a Gray Treefrog

This is a Gray Treefrog (Hyla versicolor). They are a common treefrog in the Eastern United States. They are also known as; Gray Tree Frog, Cope's Gray Treefrog, Eastern Gray Treefrog, Common Gray Treefrog, Tetraploid Gray Treefrog, North American Treefrog, Arboreal Frog, or Rainette Versicolore (French). The genus (versicolor) implies that gray treefrogs can change their color, and indeed they can This helps them camouflage themselves and they can easily change from gray to green, depending on the object on which they are sitting. This coloration can have varying degrees of mottling. They cannot change their color quickly like a chameleon.

This is a Gray Treefrog

This is a Gray Treefrog (Hyla versicolor). They are a common treefrog in the Eastern United States. They are also known as; Gray Tree Frog, Cope's Gray Treefrog, Eastern Gray Treefrog, Common Gray Treefrog, Tetraploid Gray Treefrog, North American Treefrog, Arboreal Frog, or Rainette Versicolore (French). The genus (versicolor) implies that gray treefrogs can change their color, and indeed they can This helps them camouflage themselves and they can easily change from gray to green, depending on the object on which they are sitting. This coloration can have varying degrees of mottling. They cannot change their color quickly like a chameleon.

Gray Tree Frog

This is a Gray Treefrog (Hyla versicolor). They are a common treefrog in the Eastern United States. They are also known as; Gray Tree Frog, Cope's Gray Treefrog, Eastern Gray Treefrog, Common Gray Treefrog, Tetraploid Gray Treefrog, Southern Gray Tree Frog, North American Treefrog, Arboreal Frog, or Rainette Versicolore (French). The genus (versicolor) implies that gray treefrogs can change their color, and indeed they can This helps them camouflage themselves and they can easily change from gray to green, depending on the object on which they are sitting. This coloration can have varying degrees of mottling. They cannot change their color quickly like a chameleon.

Gray Tree Frog

This is a Gray Treefrog (Hyla versicolor). They are a common treefrog in the Eastern United States. They are also known as; Gray Tree Frog, Cope's Gray Treefrog, Eastern Gray Treefrog, Common Gray Treefrog, Tetraploid Gray Treefrog, Southern Gray Tree Frog, North American Treefrog, Arboreal Frog, or Rainette Versicolore (French). The genus (versicolor) implies that gray treefrogs can change their color, and indeed they can This helps them camouflage themselves and they can easily change from gray to green, depending on the object on which they are sitting. This coloration can have varying degrees of mottling. They cannot change their color quickly like a chameleon. They are a common treefrog in the Eastern United States. They are also known as; Gray Tree Frog, Cope's Gray Treefrog, Eastern Gray Treefrog, Common Gray Treefrog, Tetraploid Gray Treefrog, Southern Gray Tree Frog, North American Treefrog, Arboreal Frog, or Rainette Versicolore (French). The genus (versicolor) implies that gray treefrogs can change their color, and indeed they can This helps them camouflage themselves and they can easily change from gray to green, depending on the object on which they are sitting. This coloration can have varying degrees of mottling. They cannot change their color quickly like a chameleon.

Gray Tree Frog

This is a Gray Treefrog (Hyla versicolor). They are a common treefrog in the Eastern United States. They are also known as; Gray Tree Frog, Cope's Gray Treefrog, Eastern Gray Treefrog, Common Gray Treefrog, Tetraploid Gray Treefrog, Southern Gray Tree Frog, North American Treefrog, Arboreal Frog, or Rainette Versicolore (French). The genus (versicolor) implies that gray treefrogs can change their color, and indeed they can This helps them camouflage themselves and they can easily change from gray to green, depending on the object on which they are sitting. This coloration can have varying degrees of mottling. They cannot change their color quickly like a chameleon.. They are a common treefrog in the Eastern United States. They are also known as; Gray Tree Frog, Cope's Gray Treefrog, Eastern Gray Treefrog, Common Gray Treefrog, Tetraploid Gray Treefrog, Southern Gray Tree Frog, North American Treefrog, Arboreal Frog, or Rainette Versicolore (French). The genus (versicolor) implies that gray treefrogs can change their color, and indeed they can This helps them camouflage themselves and they can easily change from gray to green, depending on the object on which they are sitting. This coloration can have varying degrees of mottling. They cannot change their color quickly like a chameleon.

Gray Tree Frog

This is a Gray Treefrog (Hyla versicolor) in a vernal breeding pool. They are a common treefrog in the Eastern United States. They are also known as; Gray Tree Frog, Cope's Gray Treefrog, Eastern Gray Treefrog, Common Gray Treefrog, Tetraploid Gray Treefrog, Southern Gray Tree Frog, North American Treefrog, Arboreal Frog, or Rainette Versicolore (French). The genus (versicolor) implies that gray treefrogs can change their color, and indeed they can This helps them camouflage themselves and they can easily change from gray to green, depending on the object on which they are sitting. This coloration can have varying degrees of mottling. They cannot change their color quickly like a chameleon.