Denmark has twice as many pigs as there are people.
66
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
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
Whales and dolphins can't taste anything other than salt.
11
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
A cow produces around 200,000 glasses of milk in her lifetime.
373