European Breeding Bird Atlas 2Verena Keller, Sergi Herrando, Petr Voříšek, Martí Franch, Marina Kipson, Pietro Milanesi, David Martí, Marc Anton, Alena Klvaňová, Mikhail V. Kalyakin, Hans-Günther Bauer, Ruud P.B. Foppen · First published 2020Open the Tome
Atles dels ocells de Catalunya a l'Hivern 2006-2009Institut Català d'Ornitologia, Sergi Herrando, Lluís Brotons, Joan Estrada, Santi Guallar, Marc Anton, Martí Rodríguez-Franch · First published 2011Open the Tome
Atles dels Ocells nidificants de Catalunya 1999-2002;Catalan Breeding Bird Atlas 1999-2002Joan Estrada, Vittorio Pedrocchi, Lluís Brotons, Sergi Herrando, Toni Llobet François · First published 2005Open the Tome
