There are places where frogs could be — but aren't. And places where frogs could be — and are. Scientists in the 1930s hadn't yet come up with the notion of plate tectonics (that continents break up ...

Natural selection has played a role in the development of the many skins patterns of the tiny Ranitomeya imitator poison dart frog. Natural selection has played a role in the development of the many ...

A team of researchers has discovered new insights into the evolution of color patterns in frogs and toads -- collectively known as anurans. Animal color patterns can help them camouflage with their ...

Ninety years ago, scientists were debating the question of animal dispersal. How come there are kangaroos in Australia, and none in southern Africa --which seems, environmentally, very ...