This adult Caspian Gull was marked near J.Wytyckie, Wytyczno, Urszulin, Poland (51°25'48.0''N, 23°13'12.0''E) on May 7, 2013 as >4 CY female. This location is close to the point there the borders of Poland, Ukraine, and Belarus meet and is approximately 1300 km E of Scheveningen.