or very cold regions, it must have some way of heating up," explained Alfio Alessandro Chiarenza, a study author and postdoctoral fellow at University College London. Warm-blooded animals ...

Chemistry helps! The most important adaptation is how animals regulate their body temperature. Animals can be either warm-blooded or cold-blooded. Warm-blooded animals, which are mostly birds and ...

In translating croc chatter, Mathevon, a professor of animal behavior at the University of Lyon at St.-Étienne in France, found that the cold-blooded creatures are actually loving mothers.