A. Migration according to the Green Wave Hypothesis. Birds use staging sites at peak forage quality. B. Climate change scenario with meteorological phenomena linked between temperate and arctic sites. Endogenous rhythm keeps flight schedule of the geese fixed while peak spring forage quality shifts at all staging sites. C. Climate change scenario with different climatic consequences at arctic and temperate sites. Although geese might advance the start of their spring migration, forage quality peaks are out-of-phase at the different sites and arctic breeding sites become inaccessible due to delayed onset of spring.