The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
When cats are happy, they may squeeze their eyes shut.
10
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Penguins have a gland above their eye that turns saltwater into freshwater.
12
The colossal squid has the largest eyes in the world.
4
A puppy is born blind, deaf, and toothless.
16