The largest earthworm on record was found in South Africa and measured 22 feet.
151
Parrot parents "name" their children with a signature call.
112
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Whales and dolphins can't taste anything other than salt.
11
Only 3% of bird species have penises.
0
Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
26
The elephant brain weighs about 6,000g.
274