Identifying the winter grounds of the recently described Barbary Reed Warbler (Acrocephalus baeticatus ambiguus) - Jiguet, Frédéric (Sorbonne Université. Centre d'Écologie et de Sciences de la Conservation) ; Dufour, Paul (University of Gothenburg. Department of Biological and Environmental Sciences) ; Kardynal, Kevin J. (Environment and Climate Change Canada) ; Hobson, Keith A. (University of Western Ontario. Department of Biology and Environment and Climate Change Canada) ; Copete, José Luis (Universitat Autònoma de Barcelona. Biblioteca de Ciència i Tecnologia) ; Arroyo, José Luis (Estación Biológica de Doñana. Equipo de Seguimiento de Procesos Naturales) ; Lee, Raymon W. (Washington State University. School of Biological Science) ; Rguibi-Idrissi, Hamid (University Md V. Laboratory Biodiversity, Ecology and Genome) ; Procházka, Petr (Institute of Vertebrate Biology. Czech Academy of Sciences)