Early American humans hunted car-size armadillos and used their shells for houses.
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The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
The elephant brain weighs about 6,000g.
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If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
The largest earthworm on record was found in South Africa and measured 22 feet.
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