Assertion: heron's feather | /r/HasProperty | white
Facets:
Source sentences:
text: The body of the Great Blue Heron offers feathers that are gray, blue, and white.
text: Herons often have gray, brown, black, or white feathers.
text: The throat feathers are white, whereas the neck and breast are rufous, or a reddish-brown hue.
text: The general colour of the upper parts is light purplish-blue; the elongated feathers of the head and hind neck above of a fine reddish-purple, as are those of the lower part of the neck; the six longest feathers of the head white.