At 5 a.m., six keepers file into the Houston Zoo's commissary kitchen and spend the next five hours chopping produce, portioning meat and weighing hay. By the time the rest of the zoo staff arrives, ...

Have you ever seen a dog at the zoo? True, some zoos offer dog-friendly days when your pup can tag along with you, but it seems unheard of for dogs to live in the zoo alongside tigers and monkeys.

PORTLAND Ore. (KPTV) - At the Oregon Zoo, even a 320-pound Amur tiger gets regular checkups, and that includes high-tech x-rays. Using advanced digital radiology, zoo veterinarians can safely and ...