When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
When cats are happy, they may squeeze their eyes shut.
10
Tigers can see 6 times better at night than humans.
305
When dragonflies mate, their tails form a love heart.
22
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217