Assertion: robin's chick | /r/HasProperty | feathered
Facets:
Source sentences:
text: Before chicks are feathered, adults remove feces.
text: Before chicks are feathered, adults remove feces.
text: Helpless chicks are termed altricial, and tend to be born small, blind, immobile and naked; chicks that are mobile and feathered upon hatching are termed precocial.