Assertion: black vulture's head | /r/HasProperty | featherless
Facets:
value: nearly
type: DEGREE
value: as an adaptation for hygiene
type: PURPOSE
Source sentences:
text: The head and neck are featherless and the skin is dark gray and wrinkled.
text: The head and neck are featherless and the skin is dark gray and wrinkled.
text: The head and neck are featherless and the skin is dark gray and wrinkled.
text: Its body is black and its head is dark grey and featherless.
text: The head and neck are featherless and the skin is dark gray and wrinkled.
text: The head and neck are nearly featherless, and are a dull red color, which may flush and therefore change color in response to the bird's emotional state.
text: The body plumage is black, and the head and neck, which are featherless, range in color from deep yellow to pale orange.
text: The vulture’s head and neck are featherless as an adaptation for hygiene, though there are black bristles on parts of the head; this lack of feathers prevents bacteria from the carrion it eats from ruining its feathers and exposes the skin to the sterilizing effects of the sun.
text: The head and neck are nearly featherless, and are a dull red color, which may flush and therefore change color in response to the bird's emotional state.
text: The head and neck are nearly featherless, and are a dull red color, which may flush and therefore change color in response to the bird's emotional state.