Blue Plumage — Tails of a Twitcher

The color blue is commonly found in nature. Many varieties of birds found in our own backyards exhibit a shade of blue. While some colors in plumage are the result of a pigment, the blue in feathers is due to their structure. Light refracts off of the feather proteins and we see it as blue. […]

via Blue Plumage — Tails of a Twitcher