It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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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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The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18
Sloths take two weeks to digest their food.
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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.
6
Parrot parents "name" their children with a signature call.
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