Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Cats and dogs can hear ultrasound.
350
A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
12
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
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217