overcame tall vegetation to maintain hunting success. NC P-J expansion Northern AZ Grassland Bird Distance Tested bird Rosenstock and Van sampling abundance Riper III 2001 along ecotone species for woodland richness encroachment Juniper removal NC Great Basin, Mono Pinyon pine woodland Counts counts Observed Woolley and County, CA with sporadic juniper and census, more 2006 that merges into nest frequently at sagebrush with searching, untreated decreasing elevation and territory plots, but also spot mapping seen at treated plot. Results inconclusive. - Invasive species Nationwide Varied N/A Status Invasion of Pruitt 2000 Assessment shrub-steppe and habitats by exotics was cited as a threat to Loggerhead Shrikes by species experts in several western states. Invasive species - Central WA Sagebrush Steppe Bird Count / Walking Loggerhead Brandt and Rickard – Cheatgrass interspersed with frequency of transects Shrike nest in 1994 disturbed and invaded occurrence sagebrush patches shrubs and
overcame tall vegetation to maintain hunting success. P-J expansion NC Northern AZ Grassland Bird species richness Distance sampling Tested bird abundance along ecotone for woodland encroachment Rosenstock and Van Riper III 2001 Juniper removal NC Great Basin, Mono County, CA Pinyon pine woodland with sporadic juniper that merges into sagebrush with decreasing elevation Counts counts and census, nest searching, and territory spot mapping Observed more frequently at untreated plots, but also seen at treated plot. Results inconclusive. Woolley and 2006 Invasive species - Nationwide Varied N/A Status Assessment Invasion of shrub-steppe and habitats by exotics was cited as a threat to Loggerhead Shrikes by species experts in several western states. Pruitt 2000 Invasive species – Cheatgrass - Central WA Sagebrush Steppe interspersed with disturbed and invaded patches Bird Count / frequency of occurrence Walking transects Loggerhead Shrike nest in sagebrush shrubs and Brandt and Rickard 1994
Sagebrush%20birds%20WAFWA%20draft%2010-27-16.docx