Assertion: owl's iris | /r/HasProperty | yellow
Facets:
value: always
type: DEGREE
Source sentences:
text: The iris of the eyes are always yellow except for South American Great Horned Owl which is known to have amber-colored iris.
text: The iris is yellow, except in the amber-eyed South American great horned owl (B. v. nacurutu).
text: The iris is yellow (whereas the Eurasian eagle-owl typically has an orange iris).