 | Up a level |
Reichlin, Thomas S.; Schaub, Michael; Menz, Myles H.M.; Mermod, Murielle; Portner, Patricia; Arlettaz, Raphaël; Jenni, Lukas (2009). Migration patterns of Hoopoe Upupa epops and Wryneck Jynx torquilla: an analysis of European ring recoveries. Journal für Ornithologie, 150(2), pp. 393-400. Berlin: Springer-Verlag 10.1007/s10336-008-0361-3
