Cats and dogs can hear ultrasound.
350
George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
7
The largest earthworm on record was found in South Africa and measured 22 feet.
151
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