70 research outputs found

    From Field and Study

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    Geographical Variation in the Song of the Ruby-Crowned Kinglet

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    Volume: 36Start Page: 525End Page: 52

    Changes and Additions to the \u27List of the Birds of Gallatin County, Montana\u27

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    Volume: 32Start Page: 238End Page: 23

    Ornithological Pronunciation

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    Volume: 37Start Page: 181End Page: 18

    Additions to the Birds of Custer County, Montana

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    Volume: 33Start Page: 203End Page: 20

    Some Suggestions for Better Methods of Recording and Studying Bird Songs

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    Volume: 32Start Page: 173End Page: 18

    Blue-Winged Warbler Feeding a Young Field Sparrow

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    Volume: 36Start Page: 291End Page: 29

    Some Birds of Central Alabama. A List of the Birds Observed from March 7 to June 9, in Portions of Coosa, Clay and Talledega Counties, Alabama

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    Volume: 25Start Page: 413End Page: 42

    Spring Shore-Birds in Connecticut

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    Volume: 36Start Page: 104End Page: 10

    The Song Periods of Individual Birds

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