Assertion: starling's plumage | /r/HasProperty | colored
Facets:
value: due to iridescence
type: CAUSE
value: brightly
type: MANNER
value: often
type: TEMPORAL
Source sentences:
text: The plumage of the starling is often brightly colored due to iridescence; this color is derived from the structure of the feathers, not from any pigment.
text: The plumage of the starling is often brightly coloured due to iridescence; this colour is derived from the structure of the feathers, not from any pigment.