The father of the Oakland Zoo's gray wolf pack has died, the zoo said Wednesday. Sequoia was the father of Arroyo, Lassen, Sonora and Anza, as well as the mate of the mother, Siskiyou.

The three rescued cubs were relatively healthy but thin after it was determined the mother was absent for about two weeks before their rescue, zoo officials said.

The Oakland Zoo mourns the passing of Sequoia, an 11-year-old wolf, after his health declined and he was euthanized.

Every year, the group In Defense of Animals releases its list of North America’s 10 worst zoos for elephants.

Spider monkey rescued from DUI suspect recovering at Oakland Zoo A severely malnourished spider monkey found in a Rolls Royce in central California during a DUI traffic stop is now under care at ...

The three adorable mountain lion cubs named Fern, Thistle and Spruce were believed to have been orphaned after their mother was killed by a car.

Three tiny mountain lion cubs, believed to have lost their mother to a tragic accident, are now safe and receiving top-notch care at California’s Oakland Zoo. The young felines—named Fern ...

The father of the Oakland Zoo’s gray wolf pack has died, the zoo said. Sequoia was the father of Arroyo, Lassen, Sonora and ...

“While there were many witnesses of the mountain lion after it was hit, the carcass has since disappeared and is still being investigated,” the Oakland Zoo said in a statement. “As su ...