One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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The largest breed of rabbit is the Flemish Giant.
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Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
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.
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Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8