The station master and operating officer at the Kishi Station, Japan, is a cat!
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
The reindeer is the only mammal that can see UV light.
17