Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
A Giraffe has the same number of bones in its neck as a man.
36
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 powerful electric eel is found in the rivers of Brazil, Columbia, Venezuela, and Peru, and produces a shock of 400-650 volts.
45
Penguins can convert salt water into fresh water.
97
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205
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