Lesser scaup
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- Ridgefield NWR Wildlife List.Pdf
- Handbook of Waterfowl Behavior, by Paul Johnsgard Papers in the Biological Sciences
- Migratory Bird Hunting Activity and Harvest for the 2015-16 and 2016-17 Hunting Seasons, August
- Bird Species List
- Ecological Aspects of Ducks Nesting in High Densities Among Larids
- Species, Age and Sex Identification of Ducks Using Wing Plumage
- Effects of the Conservation Reserve Program on Priority Mixed-Grass Prairie Birds
- Waterfowl of North America: POCHARDS (Fresh Water Diving Ducks) Tribe Aythyini
- Aythya Affinis) in Subarctic Taiga David Lee Trauger Iowa State University
- The Birds of Coyote Valley Merav Vonshak, Ph.D.; Shani Kleinhaus, Ph.D.; and Ryan Phillips Prepared for Santa Clara Valley Audubon Society, November 2016
- Lesser Scaup Aythya Affinis 679
- Print BB February 2005
- Lesser Scaup Breeding Ecology in the Canadian Parklands by David
- IOWA COYOTES OFFER RECREATIONAL BENEFIT Free Rangmg
- Raccoon River Savanna Is So Named Because It Contains Hairstreak Birds
- Eye Color of Female Lesser Scaup in Relation to Age
- Blue Jay, Vol.69, Issue 2
- Lesser Scaup Aythya Affinis