Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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The most expensive cow in the world was sold in 2009 for $1.2 million.
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The Basenji dog is the only dog that is not able to bark.
4
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
The ancestor of all domestic cats is the African Wild Cat which still exists today.
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There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
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