Assertion: starling's plumage | /r/CapableOf | become iridescent
Facets:
value: with green
type: OTHER
value: predominantly
type: DEGREE
value: with purple
type: OTHER
value: by the spring
type: TEMPORAL
Source sentences:
text: The speckles disappear through the course of the winter and by the spring the plumage becomes predominantly iridescent with green and purple.