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It may be hard to swallow, but Bumpus could get bumped to the back burner

10,000 Birds

This was proposed as an example of what we now call “stabilizing selection” … variation is constantly introduced into populations, but every now and then “selective forces” culls the variation out. As you know, a lot of birds are killed in the U.S. If so, the frequency of road kill should decline over time.

Killing 204
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Birds and Us: A 12,000 Year History from Cave Art to Conservation–A Book Review

10,000 Birds

the development of field-based ornithological research in Europe and Great Britain; a quick step back through the history to look at bird protection, conservation, and our precarious future, with a focus on Birkhead’s long-term (50 years!) Common Guillemot research at Skomer Island, Wales. Beagle , pt.