Assertion: peregrine falcon's wing | /r/HasProperty | blue-gray
Facets:
Source sentences:
text: The wings of the peregrine falcon are blue-gray to slate-gray with black tips.
text: They have blue-gray wings, dark brown backs, buff colored undersides with brown spots and white faces with a black tear stripe on their cheeks.
text: Peregrine falcons have slate and blue-gray wings, black bars on their backs and pale underbellies.