Jellyfish as a species are actually older than dinosaurs and sharks.
383
Sheep, goats, octopuses, and toads have rectangular pupils.
7
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
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
Two dogs were among the Titanic survivors.
262