@article{Barrett_2017, title={The dependence of long-distance migration to North Norway on environmental conditions in the wintering area and en route}, volume={40}, url={https://boap.uib.no/index.php/ornis/article/view/1205}, DOI={10.15845/on.v40i0.1205}, abstractNote={<p align="LEFT"><span style="color: #010202; font-size: xx-small;"><span style="color: #010202; font-size: xx-small;">The onset of bird migration may be under partial endogenous control whereas the timing of movement is </span></span><span style="color: #010202; font-family: Times New Roman,Times New Roman; font-size: xx-small;"><span style="color: #010202; font-family: Times New Roman,Times New Roman; font-size: xx-small;"><span style="color: #010202; font-family: Times New Roman,Times New Roman; font-size: xx-small;">flexible with weather and conditions faced by the moving birds being the ultimate cause of variability of arrival dates. </span></span></span><span style="color: #010202; font-size: xx-small;"><span style="color: #010202; font-size: xx-small;">This study shows that the early arrival dates of two of three long-distance passerine spring migrants (Willow Warblers </span></span><em><span style="color: #010202; font-family: Times New Roman,Times New Roman; font-size: xx-small;"><span style="color: #010202; font-family: Times New Roman,Times New Roman; font-size: xx-small;"><span style="color: #010202; font-family: Times New Roman,Times New Roman; font-size: xx-small;">Phylloscopus trochilus </span></span></span></em><span style="color: #010202; font-size: xx-small;"><span style="color: #010202; font-size: xx-small;">and Chiffchaffs </span></span><em><span style="color: #010202; font-family: Times New Roman,Times New Roman; font-size: xx-small;"><span style="color: #010202; font-family: Times New Roman,Times New Roman; font-size: xx-small;"><span style="color: #010202; font-family: Times New Roman,Times New Roman; font-size: xx-small;">P. collybita</span></span></span></em><span style="color: #010202; font-size: xx-small;"><span style="color: #010202; font-size: xx-small;">) in North Norway were unrelated to climatic conditions at the start of their migration in Africa and en route through Europe until they reached Scandinavia. Although climate in W Africa </span></span><span style="color: #010202; font-family: Times New Roman,Times New Roman; font-size: xx-small;"><span style="color: #010202; font-family: Times New Roman,Times New Roman; font-size: xx-small;"><span style="color: #010202; font-family: Times New Roman,Times New Roman; font-size: xx-small;">may have affected departure dates, the timing of arrival of the first Pied Flycatchers </span></span></span><em><span style="color: #010202; font-family: Times New Roman,Times New Roman; font-size: xx-small;"><span style="color: #010202; font-family: Times New Roman,Times New Roman; font-size: xx-small;"><span style="color: #010202; font-family: Times New Roman,Times New Roman; font-size: xx-small;">Ficedula hypoleuca </span></span></span></em><span style="color: #010202; font-size: xx-small;"><span style="color: #010202; font-size: xx-small;">seemed to be unrelated to conditions along the whole route, including the target area.</span></span></p>}, journal={Ornis Norvegica}, author={Barrett, Robert T.}, year={2017}, month={Apr.}, pages={14–23} }