sleep
It doesn't. Grizzly bears hibernate through winter
Basically little or nothing, their Metabolism slows down to a point where they seem semi-comatose and spend most of the winter asleep [hibernation] in a sheltered spot.
they hibernate for the winter.
in winter during hibernation in their dens?
yes they are eather in the winter or in the summer.
January to December
they start to find food and start looking for a cave.
Female grizzly bears care for their young when born. Grizzly bears hibernate during winter. They go to river rapids to catch salmon.
Grizzly bears are vertebrates.
grizzly bears are in lots of danger
Grizzly Bears are not extinct.
Yes, grizzly bears are mammals.