This is the adorable moment a prairie dog pulled a funny face at zoo visitors. Weng Panpan and her family were left giggling when they spotted the playful marmot standing on its hind legs while ...

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.