Early American humans hunted car-size armadillos and used their shells for houses.
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Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Sloths take two weeks to digest their food.
243
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
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A lion in the wild usually makes no more than twenty kills a year.
186
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12