Assertion: grouse's feather | /r/SimilarTo | umbrella
Facets:
Source sentences:
text: —imagined that the glossy black feathers on the sides of a male grouse's neck (discreetly hidden in repose, as on the grouse in Figure 1) which were erected during the courting display, resembled an umbrella, and so the Latin cognate umbellus (um-bell-us) seemed perfectly suitable as a specific epithet.