Desert crossing strategies of migrant songbirds vary between and within species oleh Frédéric Jiguet, Malcolm Burgess, Kasper Thorup, Greg Conway, José Luis Arroyo Matos, Lee Barber, John Black, Niall Burton, Joan Castelló, Gary Clewley, José Luis Copete, Michel Alexandre Czajkowski, Svein Dale, Tony Davis, Valery Dombrovski, Mike Drew, Jaanus Elts, Vicky Gilson, Emilienne Grzegorczyk, Ian Henderson, Michael Holdsworth, Rob Husbands, Romain Lorrilliere, Riho Marja, Simonas Minkevicius, Caroline Moussy, Peter Olsson, Alejandro Onrubia, Marc Pérez, Joseph Piacentini, Markus Piha, Jean-Marc Pons, Petr Procházka, Marko Raković, Harriet Robins, Tuomas Seimola, Gunnar Selstam, Michał Skierczyński, Jan Sondell, Jean-Claude Thibault, Anders P. Tøttrup, Justin Walker, Chris Hewson