got YouTube.com and type in "Orgami flapping bird" and the select the first video you see
The bones are hollow and make the bird light and he can fly by flapping his wings.
the flapping of the wings propel the bird forwards
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Thrust and lift
flapping
By flapping it wings causing enough momentum for the bird to fly.
Eagle
By flapping it's wings like every other bird on the planet.
No, this is physically impossible unless you are a bird.
flapping. :)
condor
An albatross can glide over a thousand miles without flapping its wings.