ナショナルジオグラフィックのインスタグラム(natgeo) - 3月13日 06時54分

This is an Inaguan Lyretail (Calliphlox evelynae lyrura). This hummingbird performs a high speed display dive to attract mates and those slender tail feathers are actually designed to produce a sharp chirping sound during the display.
This bird only lives on a couple of islands in the Bahamas and was long thought to be a subspecies of the Bahama Woodstar. I was part of a research team that discovered it was in fact a separate species. Check out @anandavarma to see the Bahama Woodstar and find out what makes the two species different.

@natgeocreative @thephotosociety #hummingbird #Bahamas

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