It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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Only 3% of bird species have penises.
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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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Parrot parents "name" their children with a signature call.
112
Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
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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