Dire wolves actually existed, living up to 10,000 years ago before going extinct.
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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.
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It has been scientifically proven that stroking a cat can lower one's blood pressure!
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Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
The Platypus used to be considered a myth like Bigfoot and the Yeti.
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A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
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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