Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
There's a rare breed of pig that looks like a sheep.
14
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