Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
Condoms were originally made of animal intestines or linen.
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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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The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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