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
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
The reindeer is the only mammal that can see UV light.
17
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
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
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9