Rattlesnake mating sessions have been known to last more than 22 hours.
232
The largest earthworm on record was found in South Africa and measured 22 feet.
151
The seahorse is the only fish to have a neck.
12
Only 3% of bird species have penises.
0
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