Relative attractiveness of different foods at wild bird feeders
Explore the source record for details and available documents.
Special Scientific Report - Wildlife↗
Geology topics
Aelred D. Geis
Publications and source records attributed to Aelred D. Geis.
Experimental duck hunting seasons, San Luis Valley, Colorado, 1963-1970
No abstract available.
Colorado↗
Breeding and wintering areas of canvasbacks harvested in various States and Provinces.
Explore the source record for details and available documents.
Special Scientific Report - Wildlife↗
Distribution of the duck harvest in Canada and the United States
Explore the source record for details and available documents.
Special Scientific Report - Wildlife↗
Use of banding data in migratory game bird research and management
Explore the source record for details and available documents.
Special Scientific Report - Wildlife↗
Black duck distribution, harvest characteristics, and survival
Explore the source record for details and available documents.
Special Scientific Report - Wildlife↗
Breeding and wintering areas of mallards harvested in various States and Provinces
Explore the source record for details and available documents.
Special Scientific Report - Wildlife↗
Wood duck banding program, progress report, 1959 and 1960
No abstract available.
Special Scientific Report - Wildlife↗
Pre-hunting-season banding of mallards and black ducks progress report, 1959 and 1960
No abstract available.
Special Scientific Report - Wildlife↗