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| Content Provider | Springer Nature Link |
|---|---|
| Author | Hemborg, Christer Sanz, Juan Lundberg, Arne |
| Copyright Year | 2001 |
| Abstract | Long-distance migratory passerine birds are generally time constrained by reproduction and moult, which need to be completed before migration. Breeding and post-nuptial moult may overlap especially under time-constrained conditions (northern latitudes). Here, we analysed the timing of adult moult in relation to latitude, timing of breeding and reproductive effort in pied flycatchers (Ficedula hypoleuca) breeding in four widely separated populations (40–68° N). In males but not females, the proportion of moulting birds while provisioning nestlings increased with increasing latitude. This may suggest that a moult-breeding overlap is a strategy employed by male pied flycatchers to adjust to the short breeding season at northern latitudes. However, the moult-breeding overlap was more pronounced among males in the southernmost study population (Spain). In this population, males may decide not to invest more in reproduction, and start moulting at earlier breeding stage than in northern populations,or, alternatively, birds in the Mediterranean region are time constrained by the hot and dry summer. The trade-off between breeding and post-nuptial moult may be more important in some populations than in others, depending on the latitude of the breeding site. Our results show that a moult-breeding overlap imposes a fitness cost on males in terms of fecundity and breeding success. |
| Starting Page | 206 |
| Ending Page | 212 |
| Page Count | 7 |
| File Format | |
| ISSN | 00298549 |
| Journal | Oecologia |
| Volume Number | 129 |
| Issue Number | 2 |
| e-ISSN | 14321939 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2001-10-01 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Breeding latitude Ficedula hypoleuca Fitness costs Moult-breeding overlap Time constraint Ecology Plant Sciences Hydrology/Water Resources |
| Content Type | Text |
| Resource Type | Article |
| Subject | Ecology, Evolution, Behavior and Systematics |
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