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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On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
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The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
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Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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The largest breed of rabbit is the Flemish Giant.
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