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GAP Analysis Predicted Distribution Map

Sage Thrasher (Oreoscoptes montanus)

Species Code: ORMO

This is an "at risk" species

Click to enlarge Range map

Legend:
= Core Habitat
= Marginal Habitat

Breeding Range Map
The green area shows the predicted habitats for breeding only. The habitats were identified using 1991 satellite imagery, Breeding Bird Atlas (BBA), other datasets and experts throughout the state, as part of the Washington Gap Analysis Project. Habitats used during non-breeding months and migratory rest-stops were not mapped.

Metadata (Data about data or how the map was made)

Click to enlarge distribution map

Other maps & Information:
  • Breeding Bird Atlas
  • NatureMapping observations
    during breeding season
  • NatureMapping observations
    throughout the year

The Sage Thrasher is common in sagebrush and Bitterbrush habitats in higher areas of the Columbia Basin, north to Omak (Okanogan County). It is not present in the Methow valley and locally uncommon in the Okanogan valley, where a very small population remains.

Good habitat in core zones included grassland, shrub savanna, and shrub habitats in steppe zones within its range limits.

Although a small population exists in the Okanagan Valley of British Columbia near Chopaka, this species is uncommon in WashingtonŐs Okanogan Valley north of the Colville Plateu. A curious habit of this species is the construction of shade platforms over the nest, and sometimes twig ŇporchesÓ. Sage Thrashers have been seen during the breeding season in western Spokane County near Espanola and Williams Lake, but none were reported from that area during the Breeding Bird Atlas period.

Translated from the Washington Gap Analysis Bird Volume by Uchenna Bright
Text edited by Gussie Litwer
Webpage designed by Dave Lester