The largest breed of rabbit is the Flemish Giant.
65
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
Dolphins have names for one another.
18
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
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
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5