Originally Posted by JLibourel
At the moment, grizzlies are encroaching more and more into polar bear habitat and sometimes hybridizing with the polar bears.
First well-documented, modern case was in 2006 (http://news.nationalgeographic.com/n...id-photo.html). White fur, brown patches killed and verification of hybridization came after extensive study. Was apparently unexpected that it happened in the wild even though it has been...