| linking phenological events in migratory passerines with a changing climate: 50 years in the laurel highlands of pennsylvania. | advanced timing of both seasonal migration and reproduction in birds has been strongly associated with a warming climate for many bird species. phenological responses to climate linking these stages may ultimately impact fitness. we analyzed five decades of banding data from 17 migratory bird species to investigate 1) how spring arrival related to timing of breeding, 2) if the interval between arrival and breeding has changed with increasing spring temperatures, and 3) whether arrival timing or ... | 2017 | 28403152 |