A domestic cat can sprint at about 31 miles per hour.
274
The first two years of a dog's life are equal to 24 human years.
25
Greyhounds have the best eyesight of any breed of dog.
28
The octopus' testicles are located in its head.
82
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Only male fireflies can fly.
46
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5