If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
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There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
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Two dogs were among the Titanic survivors.
262
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
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