Assertion: harrier's feather | /r/LocatedNear | lower part of the head
Facets:
Source sentences:
text: All the species also have a more or less well-developed ruff or frill of small thickset feathers surrounding the lower part of the head, nearly like that seen in owls, and accordingly many systematists consider that the genus Circus, though undoubtedly belonging to the Falconidae, connects that family with the Striges.