In migratory species. the timing of arrival at the breeding grounds is a life-history trait with major fitness consequences. The optimal arrival date varies from year-to-year. and animals use cues to adjust their arrival dates to match this annual variation. https://www.roneverhart.com/HP-Victus-15L-TG02-0325m-Gaming-Desktop-AMD-Ryzen-7-5700G-3-8-GHz-Radeon-RX-6400-32GB-DDR4-1TB-SSD-Windows-11-Home-Mi/