Green Frog - Animals of Northern New York
By A Mystery Man Writer
Cuban tree frog - Wikipedia
7 Awesome Frog Species of Canada and the United States
Cortland Herpetology Connection -- Frog Pictures
7 Awesome Frog Species of Canada and the United States
California Red-Legged Frog National Wildlife Federation
Opinion Why Tiny Ponds and Singing Frogs Matter So Much - The New York Times
The lost world: Venezuela's unique tepui frogs face new perils, Endangered species
This Frog's Lungs Work Like Noise-Cancelling Headphones, Science
World Animal Day: These iconic endlings remind us of all the species that still need saving
American Bullfrog - Animals of Northern New York