In the last 4,000 years, no new animals have been domesticated.
25
A pig's penis is shaped like a corkscrew.
22
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
The most expensive cow in the world was sold $1.3 million.
160
Domestic cats hate lemons or other citrus scents.
33
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
The most powerful electric eel is found in the rivers of Brazil, Columbia, Venezuela, and Peru, and produces a shock of 400-650 volts.
45