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This work by Matthew Wills is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 United States License.
Backyard and Beyond
Starting out from Brooklyn, an amateur naturalist explores our world. "The place to observe nature is where you are."—John Burroughs
This work by Matthew Wills is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 United States License.
Backyard and Beyond 
We can but imagine what other birds see. Humans don’t see ultraviolet. Birds do. They might see colors we can’t even imagine which are above the ultraviolet spectrum. The irridescence we gush over is probably the bottom of the interesting range for birds. I wonder if they can see dirt brown/