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Aerial surveys of elk have generally not been used to estimate elk abundance in western Washington primarily due to concerns over the highly variable detectability of elk in forested vegetation. The purpose of our study was to investigate the development and application of aerial sightability models to survey elk in forested habitats of the west-central Cascades. Survey units were delineated and surveyed from a helicopter. We used radio-tagged elk and logistic regression to model the influencedoi:10.3955/0029-344x-82.3.222 fatcat:thjbifxicvg7zj6ymuijp3wbym