French: Roitelet à couronne rubis German: Rubingoldhähnchen Spanish: Reyezuelo rubí
Philadelphia, Pennsylvania, USA
Subspecies and Distribution
R. c. grinnelli
Palmer, 1897 – S Alaska and SW Canada (British Columbia, including Vancouver I and other islands); in winter limited southward migration to W USA.
R. c. calendula
(Linnaeus, 1766) – NW Alaska and N Canada to Nova Scotia and WC, SW & NE USA (S to S California, C Arizona and C New Mexico); non-breeding C & S USA S to N Central America.
R. c. obscurus
Ridgway, 1876 – Guadalupe I, off Baja California (Mexico).
10–11 cm; 5–8 g. Tiny and fairly compact passerine with dark greyish plumage. Male nominate race is ashy grey above, with slight olive-green shimmer on scapulars... read more
Territorial song composed of three parts, a series of high whistled “tsee” notes,... read more
Breeds in coniferous forest dominated by Douglas fir (Pseudotsuga menziesii), also... read more
Food and feeding
Insects, including their larvae and eggs, also spiders (Araneae) and mites (Acarina). Particularly adapted to aerial capture of winged prey... read more
Season late May to mid-Jul; apparently only one brood (second broods not reported). Nest a typical pendent cup made of mosses, lichens,... read more
Chiefly migratory. Less hardy than R. satrapa, moves far more to S, and tends to avoid... read more
Status and conservation
Not globally threatened (Least Concern). Common. According to large-scale Breeding Bird Survey (by USGS Patuxent Wildlife Research Center) in North America, local populations... read more
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