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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The largest breed of rabbit is the Flemish Giant.
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There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
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Camels and llamas can cross breed. The offspring is called a ‘Cama’.
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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