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Lemur leaf frog Smithsonian's National Zoo and Conservation Biology Institute
A global report finds amphibians are still in peril. But it's not all bad news
Frog - Wikipedia
New Stefania Genus Frog Species Described - Reptiles Magazine
Amphibians are in widespread decline, and climate change is to blame, study says - ABC News
What we lose when we lose the world's frogs - Vox
Cuban tree frog - Wikipedia
Green Frog Squam Lakes Natural Science Center
Animal Nature: Pacific tree frogs sing; biologists unravel mysteries about primates, meadowlarks; zoos vital to endangered species
Amphibians in the Desert (U.S. National Park Service)
Spurrell's Leaf Frog
Wood Frog