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National Audubon Society Birds of North America: A Guide Review

10,000 Birds

And now we have the third iteration in Audubon’s guide book history: National Audubon Society Birds of North America. The National Audubon Society Birds of North America covers all species seen in mainland United States, Canada and Baja California. I didn’t.). This is a fairly large book: 907 pages; 7.38 GUIDE COVERAGE.

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Warblers that Warble

10,000 Birds

But as I started to research this post, I was reminded that I actually live in the center of this Warbler’s range. southwest, but it is a permanent resident in western Mexico and parts of Central America. It does breed in the U.S. chi-chi chi-chi-chit chi-chi-chi-chi-chi-chu. I love to hear its song in our dry canyons.

Mexico 336
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Feeding Wild Birds in America: Culture, Commerce & Conservation: A Book Review by a Curious Bird Feeder

10,000 Birds

Feeding Wild Birds in America: Culture, Commerce & Conservation by Paul J. The growth of community bird feeding programs in the 1920’s, for example, is shown to be rooted in post-World War I America prosperity–more spending money, more time, and (this is the part I like) the availability of cheap grain. And conservation.

America 228
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The origins of tanagers, warblers, and sparrows are coming into focus

10,000 Birds

Importantly, the paper offers support for the hypothesis that the ancestor of the entire clade came to North America by way of Beringia — the land bridge between Siberia and Alaska exposed at various times through Earth’s history. The paper is by leading researchers F. Keith Barker, Kevin J. Burns, John Klicka, Scott M.

Sparrows 251
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A Guide to Some Possible Bird Species Splits in Costa Rica

10,000 Birds

Taxa that could end up being split into one species occurring north of the Isthmus of Tehuantepec, and one south of the isthmus. (2). A species that lives in both Costa Rica and South America but might be two separate species. (3). Bird species that require further research. A Common Chlorospingus from Costa Rica.

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How Birds Evolve: What Science Reveals about Their Origin, Lives, and Diversity: A Book Review by a Non-Science Person

10,000 Birds

He also believes that we are living in an era of incredible scientific research, one in which new genetic technology and findings from diverse scientific disciplines have turned assumptions upside down, opened up new lines of thought, and provided answers, or at least probable answers, to many of our questions about why birds do the things they do.

Science 213
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Rice Ain’t Necessarily Nice for Wintering Bobolinks

10,000 Birds

A new study published in The Condor analyzed the feathers of Bobolinks to determine what they eat after they leave their North American breeding grounds and fly south for the winter. The research suggests that rice emerges as an important food source late in the winter, just as harvesting time—and northern migration time—are at hand.

Advocacy 100