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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Parrot parents "name" their children with a signature call.
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Squirrels forget where they hide about half of their nuts.
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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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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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One in three dog owners say they have talked to their pets on the phone.
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