Mane-less lions keeping cool: researchers (Reuters)

CHICAGO (Reuters) - One simple answer to why some male lions do not have manes, or grow skimpy thatches of hair around their necks, is that the animals are trying to stay cool, researchers said on Friday. Theories have abounded about the evolutionary purpose of the bushy manes associated with the "king of beasts." Some scientists have speculated they are designed to attract females while protecting their necks from the fangs of rivals. But researchers at Chicago's Field Museum of Natural History ...