It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
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
There's a rare breed of pig that looks like a sheep.
14
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