This Dec. 31, 2014 file photo shows Nola, a northern white rhinoceros, in her enclosure at the San Diego Zoo Safari Park in Escondido, Calif. The Los Angeles Times reports that Zoo officials say Nola, 41, was euthanized early Sunday, Nov. 22, 2015 as she was suffering from a number of old-age ailments, including arthritis, and had also been treated for a recurring abscess on her hip.