A squirrel twitching its tail does not look dramatic. It is small, quick, and easy to miss. Most people barely notice it or assume the animal is just being jumpy. But that tail movement is doing a lot ...

Ground squirrels heat their tails to defend their young against predatory rattlesnakes, reports a study published in the early online edition of Proceedings of the Natural Academy of Sciences (PNAS).

Q. I have fed squirrels in my backyard for years and enjoyed their antics when they chase one another and jump from tree to tree. I try to figure out whether they are playing, mating or fighting.

A tale of how five juvenile grey squirrels got their tails hopelessly entangled in a knotted mess has a happy ending, thanks to veterinarians at a Wisconsin humane society. According to the Wildlife ...