Copperhead snakes can be hard to spot when they hide among dead leaves. When winter months set in, humans add on extra layers, bears hibernate and turtles dig themselves into the ground. But what do ...

Snakes undergo brumation, a period of inactivity during winter, similar to hibernation. Here are 7 strange things snakes do ...

There is more to hibernation than having a long winter’s nap, says Norfolk Wildlife Trust conservation officer .