Assertion: osprey's plumage | /r/HasProperty | dark brown
Facets:
value: on the upper surfaces
type: LOCATION
Source sentences:
text: Juvenile ospreys have dark brown plumage and the spots on its breast are not so obvious.
text: The upper plumage (nape, back) is dark brown to black.
text: The plumage is dark brown on the upper surfaces, and pale at the head and lower parts.