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The Evaluation of Christmas Bird Counts as an Indicator of Population Trends and Habitat Selection in Blackbirds and Starlings
(North Dakota State University, 2011)
Agelaius phoeniceus (red-winged blackbird), Quiscalus quiscula (common
grackle), and Sturnus vulgaris (European starling) are three of the most abundant bird
species found in North America, and along with Euphagus carolinus ...