Copied and pasted from the end of Bumblebee since some are too lazy to click a link John H McMasters March April 1989 The flight of the bumblebee and related myths of entomological engineering American Scientist 77 146 169 cited in Jay Ingram 2001 The Barmaid s Brain Aurum Press pp 91 92 ISBN 1854106333 Jay Ingram 2001 The Barmaid s Brain Aurum Press pp 91 92 ISBN 1854106333 Bumblebees finally cleared for takeoff Cornell Chronicle March 20 2000 Retrieved January 26 2008 John Maynard Smith Flight in Birds and Aeroplanes Science Video Retrieved June 20 2010