Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21
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
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2