The ancestor of all domestic cats is the African Wild Cat which still exists today.
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A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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
Sloths take two weeks to digest their food.
243
Dogs sometimes fake being sick to get attention.
26
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18