Assertion: mockingbird's tail | /r/HasProperty | dark gray
Facets:
value: with white outer tail feathers
type: OTHER
Source sentences:
text: The tail is dark gray or black with white outer feathers and the chest and abdomen are white or grayish-white.
text: Pale gray-brown upperparts with lighter underparts; the tail is dark duskybrown; slender, downcurved bill is black; brown eyes; the palest thrasher.
text: The tail is dark gray with white outer tail feathers.