Birdwatch Note Rating
2023-08-04 11:42:13 UTC - HELPFUL
Rated by Participant: 7DFA146CA7A6E96BF1A55CF179EB1086BA5BB4F346DF94445468E58B0329EC8F
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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