Migratory birds modulate niche tradeoffs in rhythm with seasons and life history

• DOI: 10.1073/pnas.2316827121
• Publication Date: 2024-10-07T20:47:38Z
• Authors: Scott W. Yanco; Ruth Y. Oliver; Fabiola Iannarilli; Ben S. Carlson; Georg Heine; Uschi Mueller; Nina Richter; Bernd Vorneweg; Yuriy Andryushchenko; Nyambayar Batbayar; Mindaugas Dagys; Mark Desholm; Batbayar Galtbalt; Andrey E. Gavrilov; Oleg A. Goroshko; Elena I. Ilyashenko; Valentin Yu Ilyas...; Johan Månsson; Elena A. Mudrik; Tseveenmyadag Nat...; Lovisa Nilsson; Sherub Sherub; Henrik Skov; Tuvshintugs Sukhb...; Ramunas Zydelis; Martin Wikelski; Walter Jetz; Ivan Pokrovsky
• Keywords: Pace; Life History Theory; Predictability

Movement is a key means by which animals cope with variable environments. As they move, construct individual niches composed of the environmental conditions experience. Niche axes may vary over time and covary one another as make tradeoffs between competing needs. Seasonal migration expected to produce substantial niche variation move keep pace major life history phases fluctuations in conditions. Here, we apply time-ordered principal component analysis examine dynamic variance covariance across annual cycle for four species migratory crane: common crane (