The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
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Rattlesnake mating sessions have been known to last more than 22 hours.
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A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
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Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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A group of kittens is called a "kindle".
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