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A Migratory Divide Among Red-Necked Phalaropes in the Western Palearctic Reveals Contrasting Migration and Wintering Movement Strategies

van Bemmelen, Rob S. A.; Kolbeinsson, Yann; Ramos, Raül; Gilg, Olivier; Alves, Jose; Smith, Malcolm; Schekkerman, Hans; Lehikoinen, Aleksi; Petersen, Ib Krag; Þórisson, Böðvar; Sokolov, Aleksandr A.; Välimäki, Kaisa; van der Meer, Tim; Okill, J. David; Bolton, Mark; Moe, Børge; Hanssen, Sveinn Are; Bollache, Loïc; Petersen, Aevar; Thorstensen, Sverrir; González-Solís, Jacob; Klaassen, Raymond H. G.; Tulp, Ingrid (Frontiers Media SA, 2019-04-04)

Non-breeding movement strategies of migratory birds may be expected to be flexibly adjusted to the distribution and quality of habitat, but few studies compare movement strategies among populations using distinct migration routes and wintering areas. ...
Why Are Whimbrels Not Advancing Their Arrival Dates Into Iceland? Exploring Seasonal and Sex-Specific Variation in Consistency of Individual Timing During the Annual Cycle

Carneiro, Camilo; Gunnarsson, Tomas Gretar; Alves, Jose (Frontiers Media SA, 2019-07-02)

The timing of annual events is key for organisms that exploit seasonal resources, as deviations from optimal timing might result in considerable fitness costs. Under strong time selection, individuals likely have fewer suitable strategies available ...

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