beaks bones and bird songs how the struggle for survival has shaped birds and their behavior

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Beaks Bones And Bird Songs

Author : Roger Lederer
ISBN : 9781604696486
Genre : Nature
File Size : 33. 46 MB
Format : PDF
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“Reveals the strange and wondrous adaptations birds rely on to get by.” —National Audubon Society When we see a bird flying from branch to branch happily chirping, it is easy to imagine they lead a simple life of freedom, flight, and feathers. What we don’t see is the arduous, life-threatening challenges they face at every moment. Beaks, Bones, and Bird Songs guides the reader through the myriad, and often almost miraculous, things that birds do every day to merely stay alive. Like the goldfinch, which manages extreme weather changes by doubling the density of its plumage in winter. Or urban birds, which navigate traffic through a keen understanding of posted speed limits. In engaging and accessible prose, Roger Lederer shares how and why birds use their sensory abilities to see ultraviolet, find food without seeing it, fly thousands of miles without stopping, change their songs in noisy cities, navigate by smell, and much more.

Birds Of The Pacific Northwest

Author : John Shewey
ISBN : 9781604697858
Genre : Nature
File Size : 55. 14 MB
Format : PDF, Mobi
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Birding in the Pacific Northwest has never been easier! Birds of the Pacific Northwest describes and illustrates more than 400 bird species commonly encountered in Oregon, Washington, Idaho, and British Columbia. This comprehensive, full-color guide is organized to follow the order in which groups and species are presented by the American Union. Range maps for each species provide valuable information for identification. Detailed accounts of nearly 400 bird species, including common favorites and rare curiosities More than 870 spectacular photographs of relevant plumages and birds in flight Precise descriptions of voices, behaviors, and habitats Top birding sites in the Pacific Northwest Individual range maps, showing seasonal and migratory patterns Easy to use for beginners and experts alike

A Visual Guide To Birds

Author : Sol90 Editorial Staff
ISBN : 9781538381861
Genre : Young Adult Nonfiction
File Size : 78. 68 MB
Format : PDF, ePub, Mobi
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From beaks and flying styles to nests and dances, readers of this vibrant book will learn about the basic characteristics and fascinating variations of different bird species. They will become familiar with how different birds are born and develop, how birds migrate in different parts of the world, and how birds develop different strategies for defense against predators. In addition to the scientifically accurate and informative text, captivating visuals will introduce readers to the hoatzin of the Amazon, the grey crowned crane of eastern and southern Africa, the tawny frogmouth of Australia, and more. Readers will also connect to more common birds, learn about bird domestication, and realize the dangers that endangered species of birds face.

Scientific American

Author :
ISBN : STANFORD:36105015320000
Genre : Science
File Size : 23. 58 MB
Format : PDF
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Reynold S Miscellany Of Romance General Literature Science And Art

Author : George William MacArthur Reynolds
ISBN : IND:30000117932701
Genre :
File Size : 65. 98 MB
Format : PDF, ePub
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