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The lowland streaked tenrec is the only poisonous mammal that uses stingers.

This small Madagascan insectivore has specialized barbed quills on its neck that it can use to deliver poison to predators. It's the only mammal known to have evolved a true stinger mechanism. The poison is produced by special glands in their shoulders.

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The oilbird navigates through caves using echolocation like bats.

Despite being more closely related to nightjars than bats, these birds have independently evolved the ability to echolocate....

Read more: The oilbird navigates through caves using echolocation like bats.

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The mantis shrimp can punch with the force of a .22 caliber bullet.

Their raptorial appendages can accelerate with the force of a gunshot, reaching speeds of 50 mph and creating...

Read more: The mantis shrimp can punch with the force of a .22 caliber bullet.

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The Pompeii worm can survive temperatures that would cook most animals.

Living in deep-sea hydrothermal vents, these worms can withstand temperatures up to 176°F (80°C). Their bodies maintain a...

Read more: The Pompeii worm can survive temperatures that would cook most animals.