Vanilla flavoring is sometimes made with an ingredient from beaver pee.
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The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Dolphins have names for one another.
18
The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
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