There are places where frogs could be — but aren't. Ninety years ago, scientists were debating the question of animal dispersal. How come there are kangaroos in Australia, and none in southern Africa ...

The study points to the possibility of iris patterns functioning as signals for social interactions among frogs, like eye colour in birds and fish. Building on the positive correlation between plain ...

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 ...

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 ...

Above, the real deal; below, the clay models used to test predators' reactions to local and foreign frog markings. Sometimes, you have to make a thousand frogs from modelling clay to make your point.

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 ...