Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
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
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
A giraffe's kick is so powerful that it can decapitate a lion.
216
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
A cow produces around 200,000 glasses of milk in her lifetime.
373
It has been scientifically proven that stroking a cat can lower one's blood pressure!
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