An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
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A scorpion can hold its breath for up to 6 days.
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There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
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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.
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Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
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