Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
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
Jellyfish as a species are actually older than dinosaurs and sharks.
383
Denmark has twice as many pigs as there are people.
66
A group of kittens is called a "kindle".
10
Two dogs were among the Titanic survivors.
262