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
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
Bats sleep 18-20 hours per day.
5
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Gorillas can catch human colds and other illnesses.
205