The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
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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
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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Sheep, goats, octopuses, and toads have rectangular pupils.
7