Only 3% of bird species have penises.
0
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
Alligators can live up to 100 years.
337
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205
Domestic pigs average a top speed of about 11 miles per hour.
182