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5 years ago
Wing assisted incline running and evolution of flight
video showing a duck hatchling climing a tree using a combinatin of flapping its wings and using its feet
Copyright:©2003 University of Maryland
psycholer
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5 years ago
Wing assisted incline running and evolution of flight
video showing a duck hatchling climbing a haybail at an 45 degree angle. The hatchling is climbing the hail bail using its feet and flapping its wi...
psycholer
uploaded
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