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 octopus does not have a blind spot.
273
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
7
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12