True. During winter, they have to sleep in dens to keep warm.
Yes. Here's a definition:den: a cave. Dinosaurs sleep in dens.
To keep warm.
Yes they do.
Beavers create little dens where they sleep and hibernate.
No, they sleep in dens which may be covered with snow.
No they only sleep in trees
Porcupines typically sleep in dens or burrows in the wild.
Yes they only sleep in trees they do not have dens tree holes or a nest
Raccoon dogs do not hibernate. They are active year-round and do not experience a period of extended sleep like true hibernating animals.
Bears do not really hibernate. They will fall into a deep sleep, but vital signs remain near normal. They sleep in dens they find or dig themselves. Females give birth in these dens over winter.
American black bears spend much of the winter dormant, but scientists do not consider them true hibernators, because they frequently awaken from deep sleep to leave their winter dens for short periods. Their dens may be caves; hollow, standing or fallen trees; or burrows.
Coyotes sleep most of the day in their dens, and they come out to hunt at night.