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Habitat selection by Dickcissels survey
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Instructions (document genre) Questionnaires
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Bird populations Bird surveys Birds--Counting Birds--Habitat Birds--Research Ornithology--Methodology
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N/A
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N/A
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Manuscript, graphic, and printed material
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A request for participation in a Dickcissel habitat selection survey to study the effect of farming practices on population counts. The request provides information on the best times to do a count, the best fields to study, and the dates of visits to the field. A Dickcissel field description questionnaire and a Dickcissel census sheet are also included.
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Iowa Ornithologists' Union
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Dickcissel
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Iowa
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Iowa Ornithologists' Union | MS 166
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38
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9
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Edward William Nelson letter to the bird migration observers of the Biological Survey regarding a change in reporting bird observations, March 2, 1925
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Correspondence Instructions (document genre)
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Bird watching Birds--Migration Birds--Research Ornithology--Methodology
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1925-03-02
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N/A
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Manuscript, graphic, and printed material
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Letter from Edward William Nelson to the bird migration observers of the Biological Survey regarding a change in reporting bird observations, March 2, 1925. The letter details the shortage of clerical assistance available to prepare permanent card files and requests bird observers fill out their bird sightings directly on the card. The letter provides specific instructions on how to complete and submit the cards.
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United States. Bureau of Biological Survey Nelson, Edward William, 1855-1934
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Iowa Ornithologists' Union | MS 166
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38
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3
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