P. L. Sclater, 1857,
Calaveras County, California, USA.
Sometimes considered part of a species-group centred on G. passerinum (which see). Formerly treated as a race of G. gnoma; split on basis mainly of vocalizations, DNA and ecology. Racial differences rather slight, based primarily on morphology; grinnelli sometimes synonymized with nominate#R, and pinicola perhaps not valid. Four subspecies recognized.
Food and feeding
Status and conservation
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