The reindeer is the only mammal that can see UV light.
17
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Sloths take two weeks to digest their food.
243
Sheep, goats, octopuses, and toads have rectangular pupils.
7
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
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