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

“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 ...

Three orphaned mountain lion cubs were brought to the Oakland Zoo for rehabilitation and care after their mother was believed to have been fatally struck by a car.

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