Parrot parents "name" their children with a signature call.
112
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
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
Cats recognise the voice of their owner, but never evolved to care.
22
The largest earthworm on record was found in South Africa and measured 22 feet.
151