The largest breed of rabbit is the Flemish Giant.
65
When cats are happy, they may squeeze their eyes shut.
10
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
Gorillas can catch human colds and other illnesses.
205
Only 3% of bird species have penises.
0
Denmark has twice as many pigs as there are people.
66