Unlike many other mammals, grey squirrels don't need to hibernate. They have plenty of strategies for staying warm. Find out ...

Hibernation is an intricate process where an animal’s body shuts down almost completely in the winter and reactivates in the ...

Comparison of body temperature pattern of a hibernating arctic ground squirrel (in blue) and a hibernating bear (in red) in Alaska. The decrease in the bear's body temperature is much less than ...