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 ...

Celtic Rewilding wants to bring back the agile frog (Rana dalmatina), the moor frog (R. arvalis), and the European tree frog (Hyla arborea) - which were common in the UK 500 years ago. West Acre has ...

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 ...