An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Cats recognise the voice of their owner, but never evolved to care.
22
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 largest breed of rabbit is the Flemish Giant.
65
A 42-foot sperm whale has about 7 tons of oil in it.
209
George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
7
Rattlesnake mating sessions have been known to last more than 22 hours.
232