Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Moths are unable to fly during an earthquake.
328
Mosquitoes don't just bite you, they also pee on you.
11
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212