The next time you declare that you are “freezing to death,” spare a thought for the wood frog who gets so cold in winter that ...

A striking photo captures the moment a venomous green pit viper devours a brown tree frog in a rainforest in Taiwan, as the frog forlornly takes a final gulp of air. The gruesome shot has been ...

The frog is also one of the world’s most unusual: by day it has silver eyes and a lime green body, but by night, its appearance transforms into chocolate brown eyes and skin. It also never leaves the ...