Bird Populations (Collins New Naturalist Library, Book 124)
Bird Populations (Collins New Naturalist Library, Book 124)Ian Newton
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Bird Populations (Collins New Naturalist Library, Book 124)

Bird Populations (Collins New Naturalist Library, Book 124)

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In the latest addition to the New Naturalist series, Ian Newton explores bird populations and what causes their fluctuation – food supplies, competitors, predators, parasites, pathogens and human activity.