Sheep, goats, octopuses, and toads have rectangular pupils.
7
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
The seahorse is the only fish to have a neck.
12
Mosquitoes don't just bite you, they also pee on you.
11
Sharks, like other fish, have their reproductive organs in their chests.
248
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
The head of a jellyfish is called the "Bell."
6
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19