Database output in the form of squares of the European Atlas of Breeding Birds (10 × 10 km).

 
  Part of: Ukolov II, Romanov MS, Arkhipov VYu, Kalyakin MV, Voltzit OV (2021) Ru-Birds.RU, bird observations from Russia and neighbouring regions: an occurrence dataset. Biodiversity Data Journal 9: e76202. https://doi.org/10.3897/BDJ.9.e76202