The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
The colossal squid has the largest eyes in the world.
4
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
Tigers can see 6 times better at night than humans.
305
Cows can sleep standing up, but they can only dream lying down.
745
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2