Cats and dogs can hear ultrasound.
350
The colossal squid has the largest eyes in the world.
4
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 CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456