PHOTOGRAPHY BY DEB HIRT
Featuring images from "Life at Boomer Lake" and including "Birding Today"
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Showing posts with label
Bird Song Change
.
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Showing posts with label
Bird Song Change
.
Show all posts
Tuesday, March 13, 2018
Alberta's Savanah Sparrows Change Their Pitch In Oilfields
https://www.nytimes.com/2018/03/13/climate/oil-field-birds-change-songs.html
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