Photos:

Zoo Animals Face Old Age and Illness: Gallery

PREVIOUS | NEXT
1 of 6

A Gentle Giant

Credit: Houston Zoo
Animals in zoos do not face the stresses and dangers of the wild. As a result, some fall victim to aging and illness. In these situations, caretakers must…Read More »





sometimes make a difficult decision and decide when an animal is suffering too much. Doc, a 27-year-old orangutan and beloved resident of the Houston Zoo, was euthanized on Aug. 30, after a battle with heart disease, a serious problem among great apes in zoos.    Less «
More from LiveScience