Bears In Zoos Dying and Being Born All Over the Place Adrian Chen · 06/24/10 07:45PM Today, Frosty the polar bear died at the Denver zoo. He was 25. At DC's National Zoo, a red panda (which is more like a raccoon) was born. As Elton John once said: The Cirrrrrclleeeeeee. The Cirrrrcccleeee of Lifffffeeeeeeee.