Jellyfish as a species are actually older than dinosaurs and sharks.
383
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 male seahorse carries babies and 'gives birth' to them instead of the female.
7
Sharks, like other fish, have their reproductive organs in their chests.
248
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16