20. The Penis Snake.
Matt Roper
19. This glass frog whose organs you can see through his skin.
THOMAS MARENT/ MINDEN PICTURES/National Geographic Creative
18. The Classic WTF Parrot
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Not so much disgusting, but still WTF. A little comic relief to prepare you for the road ahead...
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17. Antlers shedding their velvet.
MARK RAYCROFT/ MINDEN PICTURES/National Geographic Creative
GROSS.
16. This snake coming out of a Cheerios box.
15. This hagfish oozing slime and somebody casually pulling it off.
Vancouver Aquarium / giphy.com
14. This giant ass weta who is actually the world's largest insect species.
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13. "The Gooey Duck Song"
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12. This fish with human teeth.
11. This bat chillin' on a girl's face. Casual.
10. This pearlfish who lives in sea cucumber buttholes.
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9. This disturbing selfie.
Just a girl and her best friend.
7. The Turtle Peen.
View this video on YouTube
6. This immense failure at killing a spider.
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5. This parasite that eats its host's tongue and then latches on to be a new fake tongue.
4. This fungus that infiltrates insect minds and controls their brains so it can take over the insect's body.
View this video on YouTube
3. This horrifying description of this horrifying animal.
imgur.com
THIS IS WHY YOU DON'T HAVE KIDS.
2. This horned lizard feeling threatened and shooting its own blood out of its eye.
Nat Geo WILD / giphy.com
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1. And the winner of most WTF: This entire, utterly terrifying process of a leech preying on a worm.
