Oreoscoptes montanus

Taxonomy 
Scientific Name:Oreoscoptes montanus
Common name:Sage Thrasher
Rank and Status   
Global Rank:G4 Native Status:Native
Subnational (State) Rank:S4B Endemic:No
US ESA Status:None Sand Dunes:No
NNHP Tracking Status:Do not track Wetland:No
Other Agency Status Status Last Updated Status Comments
Bureau of Land Management - Nevada Sensitive BLM Nevada Sensitive Species List dated 2017-10-01
State of Nevada Protected Sensitive Birds NAC 503.050.3
Nevada Wildlife Action Plan - 2012 Species of Conservation Priority
Nevada Partners in Flight Priority Bird Species
CCVI Score Moderately Vulnerable Conf. Mod.; Factors contributing to increased vulnerability are climate change mitigation, historical hydrological niche, disturbance, and other species for habitat.
Distribution (NV Counties)

Status: Predicted or probable

Carson City Esmeralda Lincoln Pershing
Churchill Eureka Lyon Storey
Clark Humboldt Mineral Washoe
Douglas Lander Nye White Pine
Elko
Summary Occurrence Data
Occurrence Count: Not Available
Last Observed: Not Available
Total Observed Area (hectares): Not Available
Maximum Known Elevation (m): Not Available
Minimum Known Elevation (m): Not Available
Links
Oreoscoptes montanus data at NatureServe
Oreoscoptes montanus photos and data at Encyclopedia of Life
Character Abstract
Identification Comments:
Subspecies Comments:
Food Habits:Feeds on a wide variety of insects, including grasshoppers, beetles, weevils, ants, bees, etc. Also feeds on fruits and berries.
Phenology Comments:
Reproduction Comments:
Migration Mobility:
Habitat Comments:In northern Great Basin, breeds and forages in tall sagebrush/bunchgrass, juniper/sagebrush/bunchgrass, mountain mahogany/shrub, and aspen/sagebrush/bunchgrass communities (Maser et al. 1984). Positively correlated with shrub cover, shrub height, bare ground, and horizontal heterogeneity (patchiness); negatively correlated with spiny hopsage, budsage, and grass cover (Rotenberry and Wiens 1980, Wiens and Rotenberry 1981). Usually nests within 1 meter of ground in fork of shrub (almost always sagebrush); sometimes nests on ground (Harrison 1978, Reynolds 1981, Rich 1980). In winter, uses arid and semi-arid scrub, brush and thickets.
Ecology comments:The GBBO (2011) analysis of bird population responses to projected effects of climate change demonstrated a decline in Sage Thrasher density in pinyon-juniper-encroached sagebrush habitats, although the response was not as severe as that of Sage Sparrow. Analysis also indicates that Sage Thrasher is expected to be most affected by projected losses in mountain sagebrush/mid-closed, big sagebrush/mid-open, and salt desert shrub/late covers, and is expected to gain some birds in salt desert shrub/annual, Wyoming big sagebrush/late, and greasewood/shrub/annual covers, for a total projected statewide population loss of 21%.
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