Polar bear

Central Park Zoo Polar Bear Gus Dies At 27Gus lived a long life by polar bear standards. Male polar bears in zoos have a median life expectancy of less than 21 years, according to the WCS.
Polar Bears, Ice Breakers Take New Year's Swim Off BrooklynIce Breakers member Bob Stewart says the unusually warm, roughly 50-degree air made it "almost like a summer day" by their standards.
Central Park Zoo's Beloved Polar Bear Ida Dies At 25Zoo officials say Ida was euthanized Friday after veterinarians determined she had liver disease brought on by cancer. Ida was 25.