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Optimal bird migration and predation risk: a field experiment with northern wheatears Oenanthe oenanthe |
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| Authors: | HEIKO SCHMALJOHANN VOLKER DIERSCHKE |
| Affiliation: | Institut für Vogelforschung 'Vogelwarte Helgoland', Inselstation, Postfach 1220, D-27494 Helgoland, Germany |
| Abstract: | |
| Keywords: | fuel deposition rate optimal migration theory time minimization |