Media type: E-Article Title: Phenotypic Organ Flexibility in Garden Warblers Sylvia borin during Long-Distance Migration Contributor: Biebach, Herbert Published: JSTOR, 1998 Published in: Journal of Avian Biology, 29 (1998) 4, Seite 529 Language: Not determined DOI: 10.2307/3677172 ISSN: 0908-8857 Origination: Footnote: