It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
22
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
Female kangaroos have three vaginas.
2
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
The station master and operating officer at the Kishi Station, Japan, is a cat!
18