Whales and dolphins can't taste anything other than salt.
11
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
The head of a jellyfish is called the "Bell."
6
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
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