The largest earthworm on record was found in South Africa and measured 22 feet.
151
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Parrot parents "name" their children with a signature call.
112
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20