http://www.thebutterflysite.com/life-cycle.shtml
www.thebutterflysite.com/facts.shtml
www.monarchbutterflyusa.com/Cycle.htm
Source: kidsbutterfly.org
Butterflies can't fly if the body temperature is below 86 degrees.
How long does it take the butterfly to learn how to fly?
Usually within a three or four-hour period, the butterfly will master flying and will search for a mate to reproduce all over again.
Source: butterflysite.com/life-cycle.shtml