The iridescence of a male Anna's hummingbird results from large stacks of melanosomes in the feather barbules that reflect incident light in the manner of partially-opened Venetian blinds.

https://video.nostr.build/bc443458be80f008acf5c13db24f708931c7dcaa2b46e3e32f1ebe21d509d553.mp4

[ 📹 Matthew Olson] #birds #animals #amazing #videos #nature #wild