Modern dragonflies have incredible aerobatic abilities - and they need them if they are to catch small manouverable prey in mid-air. Their secret lies in sophisticated wing design, but evolutionary aerodynamacists have found that it’s all been seen before.
This week, an aeronautics “internet textbook” which takes you soaring through the history and evolution of flight in animals.
The Flapping Flight Website http://www.catskill.net/evolution/flight