A group of unicorns is called a blessing.
304
Cats sleep for 70% of their lives.
8
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Bats sleep 18-20 hours per day.
5
Sharks, like other fish, have their reproductive organs in their chests.
248
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
Rattlesnake mating sessions have been known to last more than 22 hours.
232
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