PHOTOGRAPHY BY DEB HIRT
Featuring images from "Life at Boomer Lake" and including "Birding Today"
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Showing posts with label
flocks
.
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Showing posts with label
flocks
.
Show all posts
Thursday, December 14, 2017
Flocks Compensate for Flight Speed in Bird World
https://www.sciencedaily.com/releases/2017/12/171213104946.htm
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