2014 Arizona Breeding Research 
10,000 Birds
JANUARY 26, 2014
The photo above is a breeding-plumaged Myrtle Warbler by Kelly Colgan Azar. A thread on BirdChat two weeks ago reminded me of a fascinating paper that went up online last fall and was published in the January 2014 issue of Evolution: Migration, mitochondria, and the Yellow-rumped Warbler (Toews et al.).
10,000 Birds
APRIL 2, 2019
Peterson Reference Guide to Sparrows of North America covers 61 species of the New World sparrow family Passerellidae that breed in Canada, the United States, and northern Mexico. In some species accounts, notably Song Sparrow, this text reads as a carefully researched, finely detailed ornithological/historical essay. by Rick Wright.
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