Brlík, Vojtěch; Šilarová, Eva; Skorpilova, Jana; Alonso, Hany; Anton, Marc; Aunins, Ainars; Benkö, Zoltán; Biver, Gilles; Busch, Malte; Chodkiewicz, Tomasz; Chylarecki, Przemysław; Coombes, Dick; de Carli, Elisabetta; del Moral, Juan C.; Derouaux, Antoine; Escandell, Virginia; Eskildsen, Daniel P.; Fontaine, Benoît; Foppen, Ruud P.B.; Gamero, Anna; Gregory, Richard D.; Harris, Sarah; Herrando, Sergi; Hristov, Iordan; Husby, Magne; Ieronymidou, Christina; Jiquet, Frédéric; Kålås, John Atle; Kamp, Johannes; Kmecl, Primoz; Kurlavičius, Petras; Lehikoinen, Aleksi; Lewis, Lesley J.; Lindström, Åke; Manolopoulos, Aris; Marti, David; Massimino, Dario; Moshøj, Charlotte; Nellis, Renno; Noble, David; Paquet, Alain; Paquet, Jean-Yves; Portolou, Danae; Ramirez, Ivan; Redel, Cindy; Reif, Jiri; Ridzon, Jozef; Schmid, Hans; Seaman, Benjamin; Silva, Laura; Soldaat, Leo; Spasov, Svetoslav; Staneva, Anna; Szep, Tibor; Florenzano, Guido Tellini; Teufelbauer, Norbert; Trautmann, Sven; van der Meij, Tom; van Strien, Arco; van Turnhout, Chris; Vermeersch, Glenn; Vermouzek, Zdenek; Vikstrøm, Thomas; Vorisek, Petr; Weiserbs, Anne; Klvanova, Alena (Peer reviewed; Journal article, 2021)
Around fifteen thousand fieldworkers annually count breeding birds using standardized protocols in 28 European countries. The observations are collected by using country-specific and standardized protocols, validated, ...