While working on her PhD in 1992, Karen Lips went to Las Tablas, Panama, to study the biology of a tree frog, Hyla calypso, an inch-long, spiny, bright-green creature. As she walked through transects ...

Question: About two months ago I found a tree frog in my parents backyard and was curious about the species of the frog. From what I can tell it appears to be a Gray Tree Frog however it is quite ...

The money will be spent on breeding thousands of frogs and managing their release in 2026.

Preface -- General account -- Common names -- Present classifications -- Scientific name -- Specific evaluation of our North American forms -- Range -- Habitat ...

Extremes of the colour gradient of the Eastern San Antonio frog (Hyla orientalis). On the left, a specimen captured in Chernobyl inside the high contamination zone; on the right, a specimen captured ...