Owls are unable to roll or move their eyes, so they have to turn their heads to look sideways.

The bowhead whale, which lives exclusively in the Arctic, has the thickest blubber of all whales. It can get as thick as twenty-eight inches.

Cockroaches are not the toughest insect when it comes to resisting nuclear radiation. Insects like the flower beetle have been proven to have higher nuclear radiation resistance.

Cats can actually get something called whisker stress from eating or drinking from a bowl that is too small. Whiskers are very sensitive to pressure, and anytime they come close to something, it triggers a sensation in your cat. If you see your cat trying to scoop out food with their paw, it might mean that they have whisker stress.

Dogs don’t feel guilt or shame. However, they do feel sadness when their owners yell at them.