Polar Bear Cubs: Denning, Birth, and the First Year of Life
Polar bear cubs are born at 500-700 g inside a snow den while their mother has fasted for months. Here is how they survive the first Arctic year.
All articles tagged with "Denning"
Polar bear cubs are born at 500-700 g inside a snow den while their mother has fasted for months. Here is how they survive the first Arctic year.