Pale crag martin to do so, it would cast doubts on their specific distinctness. There are several subspecies differing in plumage shade or size, although the differences are clinal, and races interbreed where their ranges meet. The pale crag martin of the nominate subspecies "P. o. obsoleta" is 12–13 cm (4.7–5.1 in) long with light brown upperparts, becoming paler on the lower back, and a short square tail that has small white patches near the tips of all but the central and outermost pairs of feathers. It has a pale grey throat, upper breast and underwing coverts, and the rest of the underparts
Gainsboro, Roanoke, Virginia as the center of Roanoke's African American community with Henry Street serving as the cultural and commercial center of the community. The urban renewal programs of the 1960s and 1970s displaced many families and businesses in the neighborhood and changed the overall urban fabric and character of the area. Today the neighborhood is seeing redevelopment, especially in the areas surrounding the Hotel Roanoke. Established in the 1970s, the Gainsboro Neighborhood Alliance has served as the citizen advocacy group for the community. Located in the neighborhood and listed on the National Register of Historic Places are the Burrell Memorial Hospital, Gainsboro