Assertion: magpie's feather | /r/Synonym | rictal bristles
Facets:
Source sentences:
text: Some birds have special feathers, called rictal bristles, around the bill that may also serve a purpose for touch when feeding on insects or drumming into the wood, providing extra sensitivity around the bill and face.
text: Their nares (nasal openings) are fringed by bristle-like feathers known as rictal bristles.