The seahorse is the only fish to have a neck.
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A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
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The head of a jellyfish is called the "Bell."
6
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
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During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
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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
The largest breed of rabbit is the Flemish Giant.
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