Assertion: duck's feather | /r/HasProperty | black
Facets:
Source sentences:
text: The feathers on their sides and tails are black, and the feathers on the rest of their bodies are bright white.
text: They were small, had black feathers, and lived in the canals around the city linking major waterways.
text: Considered one of the prettiest birds, it has orange, green, white, blue-ish, and black feathers, some of which curl up into a "sail" shape.
text: Most Muscovy ducks have black feathers, often with large white blotches, and iridescent green wings.