Sheep, goats, octopuses, and toads have rectangular pupils.
7
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
71
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
When cats are happy, they may squeeze their eyes shut.
10
Sharks have been on the planet longer than trees.
14
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212