PHOTOGRAPHY BY DEB HIRT
Featuring images from "Life at Boomer Lake" and including "Birding Today"
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Showing posts with label
shades of black feathers
.
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Showing posts with label
shades of black feathers
.
Show all posts
Tuesday, January 9, 2018
Natural Selection and What "Black" vs. "Really Black" Feathers Means
https://gizmodo.com/these-birds-evolved-feathers-so-dark-they-re-like-a-b-1821906446
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