Assertion: falcon's back | /r/HasProperty | darker brown
Facets:
value: usually
type: DEGREE
Source sentences:
text: The wings and tail are bluish-gray, while the back and head are a darker brown.
text: The back is usually a slightly darker brown than elsewhere with paler scapular feathers, ranging from tawny to white, forming a variable imperfect “V” on the back.