Meier CM, Liechti F. 2020. Switzerland Lausanne - Long term study on migratory movement of Alpine swifts (Apus melba)-barometer. Movebank Data Repository. <a href="https://doi.org/10.5441/001/1.ff3138d1/1">https://doi.org/10.5441/001/1.ff3138d1/1</a>