Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Bats sleep 18-20 hours per day.
5
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16