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
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
A dork is a whale's penis.
327
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
The elephant brain weighs about 6,000g.
274