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BACKGROUND Owls are known for their silent flight. Even though there is some information available on the mechanisms that lead to a reduction of noise emission, neither the morphological basis, nor the biological mechanisms of the owl's silent flight are known. Therefore, we have initiated a systematic analysis of wing morphology in both a specialist, the(More)
The geometry of the barn owl wing, i.e., the planform, the camber line, and the thickness distribution, differs significantly from the wing geometry of other bird species of comparable weight and size. To investigate the flow field of this special geometry with its distinct nose region and large thickness in context with a small chordwise position of the(More)
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