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
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
The oldest recorded elephant lived for 82 years.
213
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10