Birdwatch Note Rating
2023-08-04 13:46:36 UTC - HELPFUL
Rated by Participant: FD1119DD5B0BC7E6A2A740B94779EC5A6F78F9C1837C6D323CC8EBEE0525309A
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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