Hummingbirds, Their Life and Behavior: A Photographic Study of the North American Species
More than 230 full-color photographs of North American hummingbirds at every stage of life and in al...
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More than 230 full-color photographs of North American hummingbirds at every stage of life and in all characteristic behavior patterns are accompanied by a text summarizing all available scientific information on hummingbirds
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