When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
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 seahorse is the only fish to have a neck.
12
A scorpion can hold its breath for up to 6 days.
19