Birdwatch Note Rating
2023-08-04 10:56:31 UTC - HELPFUL
Rated by Participant: D982B5F8DF3DF2B18D66DA896FDD83FFAF7B9B547A05819D18BFD15EE9C2DFA8
Participant Details
Original Note:
The tweet framing is slightly misleading: the way that bird appears blue is indeed unusual, it comes from "structural coloration" The difference between colour by pigments (the "usual way") and structural coloration is explained here: https://en.wikipedia.org/wiki/Structural_coloration It is questionable to call it "illusion"
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