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Description: |
20 pages : color illustrations, color map ; 28 cm. |
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"Published ... with support from the American Ornithologists' Union, Cornell Laboratory of Ornithology, and the Academy of Natural Sciences"--Colophon. |
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"Order Passeriformes, family corvidae." |
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"Corvus cryptoleucus ; French: Corbeau à cou blanc ; Spanish: Cuervo llanero." |
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Bibliography Note: |
Includes bibliographical references (pages 18-19). |