Frogs cannot swallow without blinking.
41
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 human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Flamingos can only eat with their heads upside down.
38
A cat can jump FIVE TIMES as high as it is tall!
371
Bluebirds cannot see the color blue.
40
Ants don't sleep
15