Assertion: cassowary's plumage | /r/HasProperty | black
Facets:
Source sentences:
text: The plumage, or feathers, of the cassowary are black and cover the bird from the neck to the rump.
text: Cassowaries have black plumage with vibrant blue skin around the neck and head, red wattles, as well as large blade-like claws on their feet
text: Their plumage is black, with a blue and red color on the neck.