Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Mosquitoes don't just bite you, they also pee on you.
11
Cats sleep for 70% of their lives.
8
Tigers can see 6 times better at night than humans.
305
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328