Birds: Nature's Magnificent Flying Machines (Arnold Caroline)(Paperback) - diskuze

Hovering, gliding, diving -- how do birds do it? BIRDS: NATURE'S MAGNIFICENT FLYING MACHINES looks at how feathers, body structure, and wings vary from bird to bird. Readers will learn the mechanics of bird flight from takeoff to landing and discover how wing types meet the survival needs of each species. Popular science writer Caroline Arnold infuses this informative look at avian flight with her love of birds. Patricia J. Wynne's exquisitely detailed illustrations show these amazing creatures in
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