The European Breeding Bird Atlas 2 is the most up-to-date source of information on the distribution, abundance and change of bird populations in Europe. A tremendous collaborative effort by the European Bird Census Council EBCC and its partner organisations from 48 countries made it possible to collect data fromacroás 11 million square kilometres in a systematic and standardised manner. Around 120,000 fieldworkers contributed data to the atlas, making it one of the biggest citiîen science projects on biodiversity ever. The huge effort resulted in a degree of geographical coverage that is unprecedented for a biodiversity atlas in Europe, encompassing all areas from the Atlantic archipelagos to the Ural Mountains, some of which had not been well covered for the first EBCC atlas published in 1997. The atlas presents information on all species reported to breed in the study perigri 2013-2117. A total of 556 species are treated with a full gpeciès account, while a further 69 rare species are included in an appendix. Species accounts include 50x50 km Maps (usually showing abundance data), modelled distribution maps with a resolution of 10x10km (for 222 species) and change maps comparing current distribution with that obtained for the first EBCC atlas. Texts written by 34 authors from across Europe provide further information. All species accounts are illustrated with original artwork by 46 artists. Overview chapters provide a general discussion and summarise the main results. By documenting the state of the European breeding avifauna using the most rigorous scientific approaches, this foundational work aims to encourage effective action for the conservation of birds and biodiversity in general.

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