Assertion: raven's head | /r/HasProperty | sooty black
Facets:
value: with brown feather bases
type: OTHER
value: with a faint greenish sheen
type: OTHER
Source sentences:
text: The head is a sooty black, sometimes with a faint greenish sheen and brown feather bases visible; the back and side of the neck are dark grey and the underparts greyish or sooty black.