Handbuch Vögel - Lexikon der heimischen Vogelwelt: Lexikon der Vogelarten, Vogelbeobachtung, Lebensräume und BrutAutores variosAgotadoNotifícame
The Peregrine Falcon: The Epic Life and Times of the World's Fastest CreatureWright, JimAgotadoNotifícame
Backyard Birds of North America: A Guide to Identifying and Attracting Your Favorite BirdsO´Sullivan DanielAgotadoNotifícame
