Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11