Bats sleep 18-20 hours per day.
5
In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18
The octopus does not have a blind spot.
273
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Squirrels forget where they hide about half of their nuts.
698
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Female kangaroos have three vaginas.
2