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Hawks at a distance : identification of migrant raptors
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Birds of prey
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A field guide to hawks, North America
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A field guide to warblers of North America
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Birds of North America
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The book of owls
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Birds of prey
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Field guide to the birds of North America
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National Audubon Society Sibley Master guide to birds : field identification
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The Audubon Society field guide to North American birds, eastern region
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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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The field guide to dumb birds of North America
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Backyard bird song
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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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The hawk's way encounters with fierce beauty
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National Geographic field guide to the birds of North America
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Birds of North America
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Sibley field guide to birds of eastern North America
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Bald eagles
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The Audubon Society field guide to North American fishes, whales, and dolphins
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The National Audubon Society field guide to North American insects and spiders
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Familiar insects and spiders
