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A world on the wing the global odyssey of migratory birds
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Follow the flyway : the marvel of bird migration
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A world on the wing : the global odyssey of migratory birds
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Winged Migration
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Lights out : a movement to help migrating birds
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Living on the wind : across the hemisphere with migratory birds
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A season on the wind : inside the world of spring migration
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Have you heard the nesting bird?
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Flight lines : across the globe on a journey with the astonishing ultramarathon birds
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Flight paths : how a passionate and quirky group of pioneering scientists solved the mystery of bird migration
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Birds in spring
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Atlas of bird migration : tracing the great journeys of the world's birds
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The secret perfume of birds : uncovering the science of avian scent
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Birds make nests
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The bird way a new look at how birds talk, work, play, parent, and think
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The bird way a new look at how birds talk, work, play, parent, and think
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Nests, eggs, and nestlings of North American birds / Paul J. Baicich and Colin J.O. Harrison ; illustrations by Andrew Burton, Philip Burton and Terry O'Nele ; egg photographs by F. Greenaway and Clark Sumida
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Bird talk : hilariously accurate ways to identify birds by the sounds they make
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Circle
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Gardening for the birds : how to create a bird-friendly backyard
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Noisy bird sing-along
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Mama built a little nest
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The bird way : a new look at how birds talk, work, play, parent, and think
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Even an ostrich needs a nest : where birds begin
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The kids' guide to birds of Pennsylvania : fun facts, activities, and 88 cool birds
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Atlas of breeding birds in Pennsylvania
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National Geographic complete birds of North America
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Feed the birds : attract and identify 196 common North American birds
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Field guide to the birds of the United States and Canada
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Peterson field guide to birds of eastern and central North America
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Peterson field guide to birds of Western North America
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National Geographic pocket guide to the birds of North America
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National Geographic field guide to the birds of North America
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The National Audubon Society birds of North America : the complete guide to birding--with full-color photographs, updated range maps, and authorative notes on voice, behavior, habitat, nesting, and conservation status
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Bird guide of North America : the best birding book for kids from a National Geographic bird expert
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Light as a feather : fifteen phenomenal North American birds
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Peterson field guide to birds of eastern and central North America
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Peterson field guide to birds of North America
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Bird City : adventures in New York's urban wilds
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America's other Audubon
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Birds of Pennsylvania field guide
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Better living through birding : notes from a Black man in the natural world
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Birder's guide to Pennsylvania
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Birds of Pennsylvania
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Birds of central Pennsylvania
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Birds of central Pennsylvania
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Birdwatcher : the life of Roger Tory Peterson
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The feather detective : mystery, mayhem, and the magnificent life of Roxie Laybourne