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
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Penguins have a gland above their eye that turns saltwater into freshwater.
12
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
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
The seahorse is the only fish to have a neck.
12