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
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Gorillas can catch human colds and other illnesses.
205
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
There are approximately three chickens for every human on Earth.
13