Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
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Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
It has been scientifically proven that stroking a cat can lower one's blood pressure!
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