Pregnant polar bears enter dens when they give birth for up to eight months. The process makes bear moms super vulnerable—they fast, surviving off the fat on their bodies, and can lose up to 43% of their body weight. And in that environment, the moms must care for their newborn cubs.
Droolin’ Dog sniffed out this story and shared it with you.
The Article Was Written/Published By: Dharna Noor on Earther, shared by Brian Kahn to Gizmodo