Ornithopters are cool. They just make hellish noise. The wings should be coated with owl feathers or something. This human size version is definately cheating since it has a jet engine. With stronger nano materials in the future I think we are going to see sailplanes with flapping wings. Man made albatrosses.
On an other thing would parrots be smart enough to pilot small hot air balloon if they are too lazy to fly themselves. Like that one dog I saw in California that uses skate board to move around.
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