When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
The head of a jellyfish is called the "Bell."
6
Bats sleep 18-20 hours per day.
5
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57