Bats sleep 18-20 hours per day.
5
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
Dogs sometimes fake being sick to get attention.
26
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
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
Rattlesnake mating sessions have been known to last more than 22 hours.
232