Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Early American humans hunted car-size armadillos and used their shells for houses.
12
The head of a jellyfish is called the "Bell."
6
When cats are happy, they may squeeze their eyes shut.
10
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Dogs have been man's pet for over 14,000 years.
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