More Than Just Refuelling: Lengthy Stopover and Selection of Departure Weather by Sandpipers Prior to Transoceanic and Transcontinental Flights

Type Article
Date 2021-04
Language English
Author(s) Roques Sébastien1, 2, Lank David B3, Cam Emmanuelle2, 4, Pradel Roger1
Affiliation(s) 1 : CEFE Univ Montpellier CNRS EPHE, IRD Univ Paul‐Valéry Montpellier 3 Montpellier, France
2 : Laboratoire Évolution et Diversité Biologique UMR 5174 Université Paul Sabatier CNRS IRD Toulouse, France
3 : Centre for Wildlife Ecology Department of Biological Sciences Simon Fraser University Burnaby British Columbia V5A 1S6, Canada
4 : Univ Brest CNRS IRD, Ifremer, LEMAR F‐29280 Plouzané ,France
Source Ibis (0019-1019) (Wiley), 2021-04 , Vol. 163 , N. 2 , P. 519-535
DOI 10.1111/ibi.12891
Keyword(s) barrier effect migration, Bayesian analysis, capture&#8211, recapture, stopover decisions
Abstract

The evolutionary and behavioural ecology of migratory birds has received much theoretical and empirical attention. We contribute to this field by contrasting the weather at departure and stopover durations of a long‐distance migratory sandpiper prior to initiating lengthy transoceanic versus transcontinental flights of potentially variable duration. Transoceanic flights provide few if any stopover options. We predicted that transoceanic migrants should therefore be more selective of energetically favourable weather at departure and have longer stopover durations prior to departing, using time as a surrogate for cumulative fuel acquisition, than transcontinental migrants.

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Roques Sébastien, Lank David B, Cam Emmanuelle, Pradel Roger (2021). More Than Just Refuelling: Lengthy Stopover and Selection of Departure Weather by Sandpipers Prior to Transoceanic and Transcontinental Flights. Ibis, 163(2), 519-535. Publisher's official version : https://doi.org/10.1111/ibi.12891 , Open Access version : https://archimer.ifremer.fr/doc/00653/76540/