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A field guide to western reptiles and amphibians
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Familiar reptiles and amphibians
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National Geographic pocket guide to the reptiles & amphibians of North America
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Reptiles of North America : a guide to field identification
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The National Audubon Society field guide to North American insects and spiders
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The Audubon Society field guide to North American fishes, whales, and dolphins
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A field guide to reptiles & amphibians : eastern and central North America
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National Audubon Society field guide to North American mammals
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National Wildlife Federation field guide to insects and spiders & related species of North America
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The Audubon Society field guide to North American birds, eastern region
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A field guide to hawks, North America
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Familiar insects and spiders
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National Audubon Society Sibley Master guide to birds : field identification
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Hawks from every angle : how to identify raptors in flight
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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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McClane's Field guide to freshwater fishes of North America
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Trees of North America : the complete identification reference to trees- with full-color photographs displaying leaf shape, bark, flowers, and fruit; updated range maps; and conservation status
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Backyard bird song
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National Geographic field guide to the birds of North America
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Illustrated guide to nature : from your back door to the great outdoors : wildflowers, trees & shrubs, rocks & minerals, weather, night sky
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National Geographic field guide to the birds of North America
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Field guide to the birds of North America
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Field guide to mammals of North America
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National Audubon Society field guide to North American wildflowers : western region
