scientific article
author: Alfonso Marzal, Robert Ricklefs, Gediminas Valkiūnas, Tamer Albayrak, Elena Arriero, Camille Bonneaud, John Ewen, Olof Hellgren, Henrik Jensen, Asta Križanauskienė, Marcos R Lima, Florentino de Lope, Lynn B. Martin, Anders Pape Møller, Vaidas Palinauskas, Javier Pérez-Tris, Ravinder Sehgal, Helena Westerdahl, Staffan Bensch, Tatjana A. Iezhova, Eyðfinn Magnussen