Variation in Hematological Indices, Oxidative Stress, and Immune Function Among Male Song Sparrows From Rural and Low-Density Urban Habitats Christopher G. Goodchild, Isaac VanDiest, Samuel J. Lane, Michelle Beck, Hallum Ewbank and Kendra B. Sewall Abstract A central theme in the field of ecology is understanding how environmental variables influence a species’ distribution. In the last... Continue Reading →