Convergence of broad-scale migration strategies in terrestrial birds

Proceedings. Biological Sciences
Frank A La SorteSteve Kelling

Abstract

Migration is a common strategy used by birds that breed in seasonal environments. Selection for greater migration efficiency is likely to be stronger for terrestrial species whose migration strategies require non-stop transoceanic crossings. If multiple species use the same transoceanic flyway, then we expect the migration strategies of these species to converge geographically towards the most optimal solution. We test this by examining population-level migration trajectories within the Western Hemisphere for 118 migratory species using occurrence information from eBird. Geographical convergence of migration strategies was evident within specific terrestrial regions where geomorphological features such as mountains or isthmuses constrained overland migration. Convergence was also evident for transoceanic migrants that crossed the Gulf of Mexico or Atlantic Ocean. Here, annual population-level movements were characterized by clockwise looped trajectories, which resulted in faster but more circuitous journeys in the spring and more direct journeys in the autumn. These findings suggest that the unique constraints and requirements associated with transoceanic migration have promoted the spatial convergence of migration strategies. ...Continue Reading

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Citations

Aug 25, 2016·PloS One·Judy Shamoun-BaranesHans van Gasteren
Mar 31, 2017·Genome Biology·Martha Rendón-AnayaAlfredo Herrera-Estrella
Jul 12, 2017·Global Change Biology·Frank A La SorteSergio A Cabrera-Cruz
Oct 27, 2017·Molecular Biology and Evolution·Andrea ArianiPaul Gepts
Nov 27, 2019·The American Journal of Tropical Medicine and Hygiene·Rémi MutricyLoïc Epelboin
Oct 4, 2019·The Journal of Animal Ecology·Gabriel NorevikAnders Hedenström
Jul 15, 2016·Ecological Applications : a Publication of the Ecological Society of America·Andrew FarnsworthSteve Kelling
Dec 12, 2018·Global Change Biology·Frank A La SorteAdriaan M Dokter
Nov 25, 2016·Biology Letters·Kyle G HortonJeffrey F Kelly
Dec 16, 2016·The Journal of Animal Ecology·Frank A La Sorte, Daniel Fink
Sep 19, 2018·Nature Ecology & Evolution·Adriaan M DokterSteve Kelling
Feb 20, 2020·Nature Communications·Marius SomveilleWalter Jetz
Oct 8, 2020·Ecology Letters·Emily B CohenJeffrey J Buler
Apr 22, 2021·Artificial Intelligence Review·Ali HamdiFlora D Salim
Jun 27, 2021·Ecology Letters·Marius SomveilleKristen C Ruegg
Sep 9, 2021·Proceedings. Biological Sciences·Elham NouraniKamran Safi

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