When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
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
The colossal squid has the largest eyes in the world.
4
The largest earthworm on record was found in South Africa and measured 22 feet.
151
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Lobsters have blue blood.
476