Assertion: heron's bill | /r/HasProperty | dull gray-yellow
Facets:
Source sentences:
text: Immature birds are duller in color, with a dull blackish-gray crown, and the flank pattern is only weakly defined; they have no plumes, and the bill is dull gray-yellow.
text: The bill is dull grey-yellow.
text: Young Great Blue Herons are duller in color, with a blackish-gray crown, and the pattern on the flank only weakly defined; the young herons have no plumes, and the bill is dull gray-yellow.
text: Immature birds are duller in color, with a dull blackish-gray crown, and the flank pattern is only weakly defined; they have no plumes, and the bill is dull gray-yellow.