Evaluating habitat preferences in three threatened grassland birds
Agriculture and urbanization have caused a dramatic decrease in grassland ecosystems in Michigan. As a result, grassland bird species are threatened with their populations almost unilaterally in decline. Grasshopper sparrow (Ammodramus savannarum), Henslow’s sparrow (Centronyx henslowii), and Dickcissel (Spiza americana) are grassland sparrow species, each with unique habitat needs. These species are desirable for land managers because they are indicators of a healthy grassland ecosystem but management for one can often be detrimental to the management for the others. This research seeks to evaluate habitat preferences of these three species to inform management strategies in Michigan’s grasslands.
1 Broadside. 48"W x 36"H
Kalamazoo, Mich. : Kalamazoo College
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