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Description: |
xviii, 228 leaves : illustrations ; 28 cm |
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General Note: |
Spine title: Diet, molt & variation of yellow-headed blackbirds. |
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Dissertation Note: |
Ph. D. North Dakota State University 1990 |
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Bibliography Note: |
Includes bibliographical references (leaves 208-224). |
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Contents Note: |
Contents: Literature survey -- Geographic and temporal variation in the diet of yellow-headed blackbirds / Daniel J. Twedt, William J. Bleier, and George M. Linz -- Geographic variation in yellow-headed blackbirds from the northern Great Plains / Daniel J. Twedt, William J. Bleier, and George M. Linz -- Predicting the geographic origin of yellow-headed blackbirds depredating North Dakota sunflower / Daniel J. Twedt, William J. Bleier, and George M. Linz -- Prebasic molt of yellow-headed blackbirds / Daniel J. Twedt, William J. Bleier, and George M. Linz -- Genetic variation and population differences in yellow-headed blackbirds from the northern Great Plains / Daniel J. Twedt, William J. Bleier, and George M. Linz. |