It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
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