The grolar bear is a hybrid of a grizzly and polar bear that scientists hypothesize will become more common as global warming forces polar bears to migrate south from the Arctic.The Sun: Grolar Bears are Global Warming (May 7, 2008)
Grolar Bear Killed
In 2006, a Canadian hunter shot and killed a white bear with brown patches that later DNA testing revealed was a hybrid "grolar bear." The bear had long claws common to grizzly bears but was covered in mostly white fur.BBC News: Hybrid Bear Shot Dead in Canada (May 13, 2006)