green polar bear

CNN.com - Polar bears at Singapore Zoo turn green - Feb. 25, 2004:

"The usually white coats of Sheba and her 13-year-old son, Inuka, turned green a few weeks ago from algae growing in their hollow hair shafts, said Vincent Tan, a spokesman for the zoo."

Silly green polar bear. Had a little too much to drink last night and came home with his hair dyed.