The largest breed of rabbit is the Flemish Giant.
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When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
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The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
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