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Individual variability and versatility in an eco-evolutionary model of avian migration [Elektronski vir]Delmore, Kira E. ...Seasonal migration is a complex and variable behaviour with the potential to promote reproductive isolation. In Eurasian blackcaps (Sylvia atricapilla), a migratory divide in central Europe ... separating populations with southwest (SW) and southeast (SE) autumn routes may facilitate isolation, and individuals using new wintering areas in Britain show divergence from Mediterranean winterers. We tracked 100 blackcaps in the wild to characterize these strategies. Blackcaps to the west and east of the divide used predominantly SW and SE directions, respectively, but close to the contact zone many individuals took intermediate (S) routes. At 14.0° E, we documented a sharp transition from SW to SE migratory directions across only 27 (10-86) km, implying a strong selection gradient across the divide. Blackcaps wintering in Britain took northwesterly migration routes from continental European breeding grounds. They originated from a surprisingly extensive area, spanning 2000 km of the breeding range. British winterers bred in sympatry with SW-bound migrants but arrived 9.8 days earlier on the breeding grounds, suggesting some potential for assortative mating by timing. Overall, our data reveal complex variation in songbird migration and suggest that selection can maintain variation in migration direction across short distances while enabling the spread of a novel strategy across a wide range.Vir: Proceedings of the Royal Society. B, Biological sciences [Elektronski vir]. - ISSN 1471-2954 (Vol. 287, iss. 1938, 2020, str. 1-10)Vrsta gradiva - e-članekLeto - 2020Jezik - angleškiCOBISS.SI-ID - 36317955
Avtor
Delmore, Kira E. |
Van Doren, Benjamin M. |
Conway, Greg J. |
Curk, Teja |
Garrido-Garduño, Tania |
Germain, Ryan R. |
Hasselmann, Timo |
Hiemer, Dieter |
Van der Jeugd, Henk P. |
Justen, Hannah |
Lugo Ramos, Juan Sebastian |
Maggini, Ivan |
Meyer, Britta S. |
Phillips, Robbie J. |
Remisiewicz, Magdalena |
Roberts, Graham C. M. |
Sheldon, Ben C. |
Vogl, Wolfgang |
Liedvogel, Miriam
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Delmore, Kira E. | |
Van Doren, Benjamin M. | |
Conway, Greg J. | |
Curk, Teja | 58537 |
Garrido-Garduño, Tania | |
Germain, Ryan R. | |
Hasselmann, Timo | |
Hiemer, Dieter | |
Van der Jeugd, Henk P. | |
Justen, Hannah | |
Lugo Ramos, Juan Sebastian | |
Maggini, Ivan | |
Meyer, Britta S. | |
Phillips, Robbie J. | |
Remisiewicz, Magdalena | |
Roberts, Graham C. M. | |
Sheldon, Ben C. | |
Vogl, Wolfgang | |
Liedvogel, Miriam |
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