Lobsters have blue blood.
476
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
7
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
Mosquitoes don't just bite you, they also pee on you.
11
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16