Sloths take two weeks to digest their food.
243
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Mosquitoes don't just bite you, they also pee on you.
11
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4