Range. - Mountain ranges from Central America north to British Columbia, locally distributed throughout its range.
The plumage of this Swift is entirely sooty black, darkest above; the tail is slightly forked and is without spines; length of bird, 7 inches. Although the general habits of this species are well known, little is known of their nesting; they are seen during the breeding season about the higher ranges throughout their United States habitat, and are supposed to nest in crevices on the face of cliffs at a high altitude.
GOATSUCKERS AND SWIFTS.