Primary moult in non-breeding second-calendar-year Swifts Apus apus during summer in Europe

• Published in: Ringing & Migration
• Main Authors: Jukema, Joop, van de Wetering, Henk, Klaassen, Raymond H.G.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Informa UK Limited 2015
• Subjects: Animal Science and Zoology; Apus apus
• Online Access: http://dx.doi.org/10.1080/03078698.2015.1059632; http://www.tandfonline.com/doi/pdf/10.1080/03078698.2015.1059632