Yes
No, they build dens.
there fur and dens.
by digging holes
Polar bears live in dens. The dens can get up to 98 degrees Fahrenheit (they are made of snow).
up to 4 weeks
Polar bears dig dens to protect themselves from cold winds.
The hibernating polar bears will soon emerge from their dens.
Polar bears cubs are born in something you call dens!!!!!!!!!!!!!!!
They dig up to 4-16 inches deep, it depends really.
They have thick fur. They also make their dens on ice orland for their dormant (not exactly hibernating) time. Polar bears are thought to have diverged from the brown bear during a period of glaciation in the Pleistocene epoch.
Bears live in caves and dens. Dens are usually shallow covered pits.
Well it is impossible to know because, polar bears dens are only temporary, and it is impossile to obtain data of every single polar bear den for size information before the den melts.