It's anyone's guess what the sex of the 10-day old Sumatran tiger at the San Francisco zoo is. That's because no human has been inside the nest box in the Lion House to see the cub, born Feb. 10 to ...

SAN FRANCISCO — The deadly tiger escape at the San Francisco Zoo could prove to be a costly blow to an institution that has come under fire repeatedly in just the past few years over the deaths of two ...

Molting peacocks squawked in the distance and a Pacific breeze whispered through the eucalyptus as flamingo keeper Liz Gibbons tidied her station at the San Francisco Zoo. It had been an unusually ...

SAN FRANCISCO (KGO) -- After a tiger at the San Francisco Zoo killed a young man in 2007, the zoo installed a "code red" siren system to warn workers and the public if another dangerous animal escapes ...

Near sunset on Christmas Day at the San Francisco Zoo , a Siberian tiger named Tatiana escaped from her grotto and attacked three visitors, killing one. This same tiger was involved in another ...

Even in death, it's hard to miss Tatiana. She now graces the front entrance of the zoo. Her former home, the tiger grotto, is still there. But it now has a glass enclosure, an electrified fence and ...

Thursday, a report surfaced alleging that Tatiana - the tiger that on Christmas Day escaped her enclosure at the San Francisco Zoo and killed a teenage boy - was significantly underweight. Whether or ...