Technically, tentacles are a limb with one suction cup on the end. 

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Juvenile great white shark swimming in green ocean waters

This is the first documented sighting of a baby great white shark 

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Polar Bears Are Only Found in the Arctic. Not Antarctica.

It can take up to 3 years for a centipede to reach adulthood and have babies

Giant clams can weigh up to 440 lbs (200 kgs) and about 3 ft ( (1 m) across

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The Yak

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This jellyfish is so rare that it has only been captured on camera twice, in 1997 and 2022