An aerial view of Rociana village near Donana Natural Reserve, southwest Spain February 1, 2010.
一个罗西亚纳附近道纳拿自然保护区，西南西班牙2010年2月1日村鸟瞰图。
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Researchers from the Evolutionary Biology Centre, Uppsala, Sweden and the Donana Biological Station, Seville, Spain studied 82 species of birds from 22 families.