As the ice melts, polar bears are shifting to land-based food, such as snow geese, eggs and caribou.<img src="http://feeds.feedburner.com/~r/DiscoveryNews-Top-Stories/~4/jUfiksHvcPQ" height="1" width="1"/>
Printable View
As the ice melts, polar bears are shifting to land-based food, such as snow geese, eggs and caribou.<img src="http://feeds.feedburner.com/~r/DiscoveryNews-Top-Stories/~4/jUfiksHvcPQ" height="1" width="1"/>