Assertion: nightjar's plumage | /r/HasProperty | marked with white
Facets:
Source sentences:
text: In this species, the head, throat, nape, and upper part of the breast are black; the plumage of the back is an uniform blackish brown, that of the lower portions of the body of the same hue, marked with white; the wing-feathers are ornamented with five or six white lines; the tail-feathers have similar markings, and are bordered with white, so that when seen from above they appear of a greyish brown, and on the under side whitish grey; the plumage upon the legs and feet is also mottled with white.