Second Atlas of Breeding Birds in Pennsylvania: A Review by an Atlas Novice
10,000 Birds
APRIL 2, 2013
It turns out that the reclaimed mines work well as habitat for the sparrow because they collect a layer of leaf litter, a key nesting requirement. Mulvihill, the third editor, discusses in detail how the second atlas sought to improve on the processes of the first, in quality and quantity of data as well as increased citizen participation.
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