Cats and dogs can hear ultrasound.
350
Lobsters have blue blood.
476
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
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
There are approximately three chickens for every human on Earth.
13