Assertion: nightjar's plumage | /r/HasProperty | feather
Facets:
Source sentences:
text: Nighthawks are similar in most respects to the nightjars, but have shorter bills and plumage (feathers) that are less soft.
text: Nighthawks are similar in most respects to the nightjars, but have shorter bills and plumage (feathers) that are less soft.