The largest breed of rabbit is the Flemish Giant.
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Sharks, like other fish, have their reproductive organs in their chests.
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The cat brain weighs about 30g.
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A 42-foot sperm whale has about 7 tons of oil in it.
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It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
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An alligator can go through 2,000 to 3,000 teeth in a lifetime.
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