Assertion: grouse's wing | /r/CapableOf | inflate air sacs
Facets:
value: in the neck
type: LOCATION
Source sentences:
text: Males stand with wings held out and cupped downward, extend the neck, expand their superciliary combs (colored skin above the eyes), inflate air sacs in the neck, make a cooing call, stamp their feet rapidly, and cock the tail upward.