When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Bats sleep 18-20 hours per day.
5
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
A group of unicorns is called a blessing.
304
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23