Assertion: heron's plumage | /r/HasProperty | black
Facets:
value: usually
type: DEGREE
Source sentences:
text: The feathers of the herons are soft and the plumage is usually blue, black, brown, grey, or white, and can often be strikingly complex.
text: The feathers of the herons are soft and the plumage is usually blue, black, brown, grey, or white, and can often be strikingly complex.