Second Atlas of Breeding Birds in Pennsylvania: A Review by an Atlas Novice
10,000 Birds
APRIL 2, 2013
Corey did just this in this 2011 posting about Vesper Sparrow Pooecetes gramineus in New York State. Data collection for the Second Breeding Bird Atlas Project of Pennsylvania took place from 2004 through 2009, roughly twenty years after the first official atlas project, 1983 through 1989. The resulting book, 616 pages in length, 6.4
240 
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