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Second Atlas of Breeding Birds in Pennsylvania: A Review by an Atlas Novice

10,000 Birds

A breeding bird atlas is a special kind of book. For birders, it’s the extremely large book, shelved in a place where it can’t crush the field guides, used to research the history of a bird in their area. Corey did just this in this 2011 posting about Vesper Sparrow Pooecetes gramineus in New York State.

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Confounding the Starving Snowy Owl Irruption Theory

10,000 Birds

Irruptions of Snowy Owls in 2011 and again in 2013 found these Arctic birds wintering well south of their usual range , in some cases straying down to Bermuda and even Hawaii. (I But new research, published in The Auk , suggests that this narrative may not provide the whole story. Snowy Owl at Breezy Point photographed by Corey.

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Mitochondrial mysteries and splitting-lumping Yellow-rumped Warblers

10,000 Birds

There are four generally recognized groups within the complex, “ Myrtle ” ( coronata ) of eastern and northern North America, “ Audubon’s ” ( auduboni ) of the western United States and western Canada, “ Black-fronted ” ( nigrifrons ) of Mexico, and “ Goldman’s ” ( goldmani ) of Guatemala.

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2013 AOU North American checklist proposals

10,000 Birds

Proposal 2013-A-5 would remove the Hawaiian honeycreepers out of their own subfamily (Drepanidinae) and place them in the subfamily Carduelinae near the rosefinches, which a 2011 study showed to be their closest relatives. This change has been needed and tracks with our best understanding of finch relationships. Shearwater split.

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Birds of Prey of the East & Birds of Prey of the West: Review of Two Field Guides

10,000 Birds

There are 35 raptor species that have a presence in the United States and Canada, 56 (more or less) if you count by subspecies, and they are all covered in admirable, exhausting, unbelievable detail in B irds of Prey of the East: A Field Guide and Birds of Prey of the West: A Field Guide by Brian K.

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ACTION ALERT! Tomorrow, MARCH 15, 2011, is the deadline for public.

10,000 Birds

By Julie • March 14, 2011 • 18 comments Tweet Share ACTION ALERT! Tomorrow, MARCH 15, 2011, is the deadline for public comment on a proposal to hunt sandhill cranes in Kentucky. For my new book, due out in 2012 from Houghton Mifflin Harcourt, I’ve been researching sandhill crane hunting. Not sure what that is.

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National Audubon Society Birds of North America: A Guide Review

10,000 Birds

The National Audubon Society Birds of North America covers all species seen in mainland United States, Canada and Baja California. I am particularly happy to see that the bird communication section includes recent research on singing female birds. Press, 2011, cited as “RTP to Paul Brooks, March 6, 1945, Peterson Institute.”