During a late-November birding class at the Hassayampa River Preserve northwest of Phoenix, Arizona, Matt VanWallene shot this photo of an adult male Anna’s Hummingbird. The bird’s head and throat feathers are iridescent purple and orange; they would normally be rosy red or dark, depending on available light and other factors. VanWallene used a Nikon D90, a 300mm lens, and a flash.
“I had never seen two different iridescent colors on an Anna’s at the same time,” he notes. “The day was overcast, and I was very lucky to be at eye level, the level that optimizes the display. The bird was flashing in my lens when it looked from side to side.”
See more Anna’s Hummingbirds
On his website, Contributing Editor David Sibley describes the basics of iridescence in hummingbirds.
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