Browsing Student Research Day by Author "Ullom, Leah"
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Nest Site Selection by Red-Naped Sapsuckers : Influence of Willow Availability, Aspen Heartwood Rot Fungus, and Other Ecological Factors. Faust, Matthew; Ullom, Leah (2009-04)Woodpeckers are considered keystone species because they excavate tree cavities that provide habitat for other cavity nesting species. In aspen (Populus tremuloides) woodlands of the southern Rocky Mountains, red-naped ...