Assertion: raven's head | /r/HasProperty | black
Facets:
Source sentences:
text: The head, neck and breast are glossy black with a metallic green and violet sheen; the belly and scapulars (shoulder feathers) are pure white; the wings are black glossed with green or purple, and the primaries have white inner webs, conspicuous when the wing is open.
text: The heads of new world vultures lack feathers and can be black, red, yellow, or orange.