Sheep, goats, octopuses, and toads have rectangular pupils.
7
Moths are unable to fly during an earthquake.
328
Cats recognise the voice of their owner, but never evolved to care.
22
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13