French: Bruant de Brewer German: Blassammer Spanish: Chingolo de Brewer
western North America, California, and New Mexico = Black Hills, South Dakota, USA
Subspecies and Distribution
S. b. taverneri
Swarth & A. C. Brooks, 1925 – Timberline Sparrow – SE Alaska and W Canada (SW Yukon and NW & SE British Columbia and W Alberta) and N USA (W Montana); non-breeding range SW USA (Arizona E to W Texas) and probably N Mexico.
S. b. breweri
Cassin, 1856 – Brewer's Sparrow – S Canada (extreme S British Columbia, S Alberta and SW Saskatchewan) and W USA from E Montana, SW North Dakota and NE Colorado S to E & S California, S Nevada, C Arizona and NW New Mexico; non-breeding from S edge of breeding range S to NW & W Mexico (Baja California E to Coahuila, Nuevo León, San Luis Potosí, Guanajuato and Jalisco).
12·5–15 cm; 8·9–14 g, taverneri larger (average 12·3 g), nominate 8·9–11·8 g. A small, slim sparrow with long,... read more
Difficult to describe. Short song a “bzzzzzzz chip-chip-chip-chip-chip”, second part... read more
Throughout most of range found in shrubland dominated by big sagebrush (Artemisia tridentata... read more
Food and feeding
Few data on diet. Arthropods and seeds. Young fed mostly with Lepidoptera larvae, spiders (Araneae), bugs (Hemiptera) and leafhoppers (... read more
Season mid-May through Jul; sometimes double-brooded. Monogamous. Occasional co-operative nesting recorded. Pairing within a few days of... read more
Migratory; good evidence that populations farthest N leap-frog over S ones, and winter farthest S.... read more
Status and conservation
Not globally threatened. Classified as “Declining” in the USA (Yellow WatchList priority species for conservation). Often common or very common in appropriate... read more
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