Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
In Australia, there are spiders big enough to eat snakes.
20
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
The largest breed of rabbit is the Flemish Giant.
65