Chris Merkord Posted July 5, 2013 Share Posted July 5, 2013 'Citizen science' leads to new Pa. birding atlas Penn State News With the dedication of more than 2,000 volunteers, 52 authors and a number of trained ornithologists, geographic information specialists and other professionals, the Second Atlas of Breeding Birds in Pennsylvania was published in November by the Penn ... View the full article Link to comment Share on other sites More sharing options...
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