A dairy cow can produce more milk when listening to music.
446
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Denmark has twice as many pigs as there are people.
66
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82