It had a completely white coat, which made it resemble a polar bear.
Ginga Densetsu Weed
The polar bear hybrid was seen by Rocket, fighting with an alligator which it then killed and buried to eat later.
After a valiant fight with Weed and Joe's pack, Joe's owner Ninomiya, appears and shoots the bear several times. This angers the bear and it swipes at him. Luckily Ninomiya manages to dodge the attack, and the bear only managing to shred open his back pack.
He quickly gets to his feet while the dogs leap onto the bear once more and he shoots it one last time, finally killing the bear.