Institution: | a Biology Department, George Fox University, 414 N. Meridian St., Newberg, OR 97132, USAb Field Research Station at Fort Missoula, Division of Biological Sciences, University of Montana, Missoula, MT 59812, USAc The Hummingbird Monitoring Network, PO Box 115, Patagonia, AZ 85624, USAd Oregon State University, 2002 Cordley Hall, Corvallis, OR 97331, USA |