Rattlesnake mating sessions have been known to last more than 22 hours.
232
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
A cow produces around 200,000 glasses of milk in her lifetime.
373
Penguins have a gland above their eye that turns saltwater into freshwater.
12
The reindeer is the only mammal that can see UV light.
17
Bats sleep 18-20 hours per day.
5