Dire wolves actually existed, living up to 10,000 years ago before going extinct.
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The colossal squid has the largest eyes in the world.
4
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
The reindeer is the only mammal that can see UV light.
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A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9