Natal dispersal does not entail survival costs but is linked to breeding dispersal in a migratory shorebird, the southern dunlin Calidris alpina schinzii

Veli-Matti Pakanen, Veli-Matti Pakanen, Kari Koivula, Blandine Doligez, Lars-Åke Flodin, Angela Pauliny, Nelli Rönkä & Donald Blomqvist
The costs and benefits of dispersal are often assessed by comparing fitness between dispersing and non-dispersing individuals. Importantly, individuals that disperse between their natal and first breeding site may subsequently be more likely to disperse between breeding sites compared to those that remained philopatric to their natal site. Such within-individual consistency in dispersal behaviour can bias local survival estimation, and thus the survival comparison between dispersing and non-dispersing individuals, if breeding dispersal leads to permanent...
1 citation reported since publication in 2022.
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