Flight Identification of Raptors of Europe, North Africa and the Middle EastDick ForsmanVyprodáno4,4Pohlídat
National Geographic Backyard Guide to the Birds of North America, 2nd EditionJonathan AlderferVyprodáno4,4Pohlídat
American Birding Association Field Guide to Birds of PennsylvaniaGeorge L. ArmisteadVyprodáno4,4Pohlídat
