Assertion: nightingale's plumage | /r/HasProperty | erectile crest
Facets:
Source sentences:
text: The males have black and dark-brown plumage, an erectile crest on the nape, and a larger bill than the female.
text: The males have black and dark-brown plumage, an erectile crest on the nape, and a larger bill than the female.
text: The males have black and dark-brown plumage, an erectile crest on the nape, and a larger bill than the female.