Second Atlas of Breeding Birds in Pennsylvania: A Review by an Atlas Novice
10,000 Birds
APRIL 2, 2013
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. You can see the Species Account for Henslow’s Sparrow above, in the banner photo. The second page is the map page.
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