The variety of social systems among the New World blackbirds (Family Icteridae) and the structural simplicity of their foraging environment provide excellent opportunities for testing theorics about the adaptive significance of their behavior. Here Gordon Orians presents the results of his many years of research on how blackbirds utilize their marsh environments during the breeding season. These results stem from information he gathered on three species during ten breeding seasons in the Pacific Northwest, on Red-winged blackbirds during two breeding seasons in Costa Rica, and on three species during one breeding season in Argentina.
The author uses models derived from Darwin's theory of natural selection to predict the behavior and morphology of individuals as well as the statistical properties of their populations. First he tests models that predict habitat selection, foraging behavior, territoriality, and mate selection. Then he considers some population patterns, especially range of use of environmental resources and overlap among species, that may result from those individual attributes. Professor Orianns concludes with an overview of the structure of bird communities in marshes of the world and the relation of these patterns to overall source availability in these simple but productive habitats.
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Here Gordon Orians presents the results of his many years of research on how blackbirds utilize their marsh environments during the breeding season. These results stem from information he gathered on three species during ten breeding seasons in the Pacific Northwest, on Red-winged blackbirds during two breeding seasons in Costa Rica, and on three species during one breeding season in Argentina. Professor Orians concludes with an overview of the structure of bird communities in marshes of the world and the relation of these patterns to overall source availability in these simple but productive habitats.
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Condition: Good. Good+. 1980 Princeton University Press. Monographs in Population Biology, No. 14. Trade paperback. Black & white photographs and illustrations. Binding tight. Spine NOT creased. Covers have light edge and surface wear. Small area of cover surface missing from top right corner where a price sticker must have been removed. Very small dent to the bottom of front cover. Except for name in ink at top of title page, pages are clean and unmarked. 295 pages. Seller Inventory # 2190
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Paperback. Condition: Very Good. Paperback in very good condition, light shelf wear, spotting to the edges of text block. The variety of social systems among the New World blackbirds and the structural simplicity of their foraging environment provide excellent opportunities for testing theories about the adaptive significance of their behavior. Orians presents the results of his many years of research here. Seller Inventory # 11368U
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Paperback. Condition: New. The variety of social systems among the New World blackbirds and the structural simplicity of their foraging environment provide excellent opportunities for testing theories about the adaptive significance of their behavior. Orians presents the results of his many years of research here. Seller Inventory # 11368
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Condition: Very Good. 295, text figs. . PB. 8vo. Vg. From the library of Prof J. Green (1928-2016) with his name to endpaper. Monographs in Population Biology No. 14. Includes data on the marsh blackbird populations of the Pacific Northwest, Costa Rica, and Argentina. [9780691082370]. Seller Inventory # S57337
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