Join BirdNote tomorrow, November 30th!
Illustrator David Sibley and actor H. Jon Benjamin will face off in the bird illustration battle of the century during BirdNote's Year-end Celebration and Auction!
Anna's Hummingbirds sparkle with iridescence... with their emerald green back and hot pink throats — known as gorgets. But wait! Catch them in a certain light, and the sparkle goes away, or entirely new and vibrant colors appear. The microscopic structure of the feather barbules — not pigments — provides this amazing abundance of colors. Light is refracted by these complex structures and becomes visible as a shimmering array of colors changing with the angle of view.
All photos © Mike Hamilton
Mike takes pictures every day of the year in the Pacific Northwest.