Melissa Mitchell put this article out, which made its way around the web some. It was then picked up by the Daily Telegraph and transformed into this piece.
Anyway, a few bloggers have been chatting about the original journal article, noting that it's hard to get a copy of the dang thing. So here is my piece on birding and environmental sporting in pdf form. The citation reads:
Schaffner, Spencer. 2009. "Environmental Sporting: Birding at Superfund Sites, Landfills, and Sewage Ponds." Journal of Sport and Social Issues. 33: 3, pp. 206-229.
This image, from over at Eva Casey's homepage, captures a bit of what the piece is about: