Seeing photos of cold-stunned iguanas in Miami during a winter cold spell brought back an early memory. I was a seventh-grade intern in the reptile house at Audubon Zoo in New Orleans, when I jumped ...

Have you ever seen a squirrel flicking its tail and wondered why? We have the answer—plus answers to other questions about ...

Animals evolved to communicate without words, and tail movements are a vital part of their non-verbal language. • To express emotions like happiness, fear, or aggression. • To balance their movements ...