Did You Know?

The tongue-eating louse replaces a fish’s tongue.

This parasitic crustacean enters a fish's mouth, destroys the tongue, and then attaches itself where the tongue used to be. It then acts as a functional replacement tongue for the rest of the fish's life, feeding on blood and mucus. It's the only known parasite that functionally replaces a host organ.

Did You Know?

The Dracula ant can snap its mandibles at 200 mph.

This ant species has the fastest known animal appendage, with its mandibles accelerating from 0 to 200 mph...

Read more: The Dracula ant can snap its mandibles at 200 mph.

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Kangaroo rats never need to drink water.

These desert rodents can survive without ever drinking liquid water, getting all their hydration from the seeds they...

Read more: Kangaroo rats never need to drink water.

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The hoatzin chick has claws on its wings.

Young hoatzin birds have claws on their wings, similar to their dinosaur ancestors. These claws help them climb...

Read more: The hoatzin chick has claws on its wings.