Fig. 1From: An assessment of spatio-temporal relationships between nocturnal bird migration traffic rates and diurnal bird stopover densityFall diurnal migration phenology via transect counts. Fall 2012 mean daily transect count estimates of migrant density. Smoothed line represents the proportion of total birds detected as Yellow-rumped Warblers on daily counts. Inset figure displays migratory phenology from September 1st to October 6th, 2012. Gray bars indicate missing dataBack to article page