The largest earthworm on record was found in South Africa and measured 22 feet.
151
Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
11
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
A cow produces around 200,000 glasses of milk in her lifetime.
373