A petting zoo animal is an animal that is kept in a zoo or other facility for the purpose of allowing visitors to interact with them. Common petting zoo animals include ALPACA, LLAMA, LAMB, PONY, and DEER. Alpacas are a species of South American camelid, characterized by their long necks and wooly coats. Llamas are also a species of South American camelid, but they are larger than alpacas and have shorter ears. Lambs are young sheep, usually less than one year old. Ponies are small horses, typically under 14.2 hands high. DEER are hoofed mammals, typically found in wooded areas.