Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10
Sheep, goats, octopuses, and toads have rectangular pupils.
7
When cats are happy, they may squeeze their eyes shut.
10
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
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