A bear prefers to be alone.
Bears in captivity don’t hibernate. But they do take naps that last for several days.
Scientists can’t understand how a bear can hibernate without expelling waste. If they can figure that out, they say, maybe they can come up with a better treatment for kidney disease.
The place in the world with the most bears is Denali National Park in Alaska.
Most bears are left-pawed.
Bears in Yellowstone can neatly take the wrappings off sticks of chewing gum.
The body temperature of a hibernating bear is 91 degrees.
The chimpanzee’s brain is fully grown after a year. Your brain keeps on growing until you are in your 20s.