Assertion: condor's head | /r/HasProperty | clean
Facets:
value: meticulously
type: MANNER
value: by the bird
type: OTHER
Source sentences:
text: The head and neck are meticulously kept clean by the bird, and their baldness is an adaptation for hygiene, allowing the skin to be exposed to the sterilizing effects of dehydration and ultraviolet light at high altitudes.
text: As an adaptation for hygiene, the head and neck have few feathers, exposing the skin to the sterilizing effects of dehydration and ultraviolet light at high altitudes, and are meticulously kept clean by the bird.