Assertion: stork's neck | /r/HasProperty | black
Facets:
Source sentences:
text: The head, neck, and the tail feathers are also black but have a green iridescence.
text: The plumage is mostly white, but the head and upper neck are featherless and black, with a featherless red stretchable pouch at the base.
text: Plumage is entirely white, head and neck are black and featherless with a red throat pouch.
text: Plumage is entirely white, head and neck are black and featherless with a red throat pouch.