A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
A group of kittens is called a "kindle".
10
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Dolphins have names for one another.
18
A dork is a whale's penis.
327