ALAN BERNER / THE SEATTLE TIMES
Keema, all 835 pounds of grizzly bear, rolls on snow brought from Crystal Mountain for him and twin brother, Denali, for a belated 20th birthday party Tuesday at Woodland Park Zoo. The twins' birthday was in January, but they slept through the big day. Tuesday, they also searched for hidden treats, including peanut butter, fish, marshmallow spread and bones. The bears, originally at Washington State University, have lived their lives in captivity. It's believed about 10 grizzlies live in Washington's North Cascades, compared with 25,000 to 30,000 black bears.