Assertion: woodpecker's tail feather | /r/HasProperty | black
Facets:
Source sentences:
text: The tail feather is black and stiff and has speckled outer feathers.
text: The central tail feathers are black, while the outer tail feathers are white with black bars.
text: The middle tail-feathers are black, with an oblique band of white occupying part of the outer web, and the greater portion of the inner, which is barred or spotted with black; the next three on each side are black, slightly tipped with white; the next also black, with seven external and three internal white indentations; the outer feathers black, tipped with white, but sometimes barred.