A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Jellyfish as a species are actually older than dinosaurs and sharks.
383
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
A cat can jump FIVE TIMES as high as it is tall!
371
A group of kittens is called a "kindle".
10
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