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 ...

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 ...

For the first time, biologists have reported that bioelectrical signals are necessary for normal head and facial formation in an organism and have captured that process in a time-lapse video that ...

Glass frogs do not live a life of modesty. With their semitransparent skin—green on the back, clear on the belly—the tree-dwelling, gummy-bear-size amphibians, which are native to the tropics of ...

Thalassa Matthews receives funding from The National Research Foundation and the Centre of Excellence for Palaeontology. Around 5.1 million years ago, fascinating and now extinct animals like ...