Hibernation is a remarkable adaptation that mammals living in colder regions have developed to survive the winter months when food is scarce. Animals slow down their heart rates, lower their body ...

Beware of the hibernating bear. That's good advice as we talk about animals that spend the winter asleep somewhere underground or under a slash pile under the snow.

We’re all familiar with animals that hibernate in the winter, like bears and groundhogs. There’s another class of animals that “estivate”–meaning they enter a state of dormancy in the summer/warm ...

When winter arrives, animals have two main choices: sleep more or shut down almost completely until spring. You’ve probably heard of hibernation, but not every animal that slows down in winter truly ...