Assertion: andean condor's feather | /r/HasProperty | dark
Facets:
Source sentences:
text: Andean condors have dark feathers in maturity (while juveniles are olive-grey and brown), with a white collar or downy plumage around the base of their necks.
text: The wing and tail feathers are dark and contrast with the pale coverts and body, one of the best methods to distinguish this species from the slightly smaller griffon vulture.