What field mark helps distinguish the Green Treefrog from a greenish Gray Treefrog?

Answer

A distinct pale or white line running along their sides from the upper jaw to the groin

Green Treefrogs typically sport a distinct pale or white line running along their sides, stretching from their upper jaw down to their groin, which is absent or indistinct on Gray Treefrogs.

What field mark helps distinguish the Green Treefrog from a greenish Gray Treefrog?

#Videos

Gray Treefrog - YouTube

Gray Treefrogs - AskMDC - YouTube

TreeamphibianMissourifrog