Oldest US polar bear dies at San Francisco Zoo

Apr 15, 2017 | 9:30 AM

SAN FRANCISCO — The oldest polar bear in the United States has died at the San Francisco Zoo.

Uulu (OOH’-loo), a 545-pound female, died Friday at the age of 36.

The zoo says her health had rapidly declined because of congestive heart failure and old age.

The zoo rescued Uulu when she was 3.