Lobsters have blue blood.
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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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There's a rare breed of pig that looks like a sheep.
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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.
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Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
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