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
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Sharks have been on the planet longer than trees.
14
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9