Only 3% of bird species have penises.
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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
All pandas are ‘owned’ by China. They rent them out to zoos for $1mil/year each with minimum of 10 years.
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When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
When you shave a guinea pig it looks like a little hippo.
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Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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