Cats sleep for 70% of their lives.
8
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Sheep, goats, octopuses, and toads have rectangular pupils.
7
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
A 42-foot sperm whale has about 7 tons of oil in it.
209