|Proposal and description of the site made by Bulgarian Society for the Protection of Birds, Bulgaria, 1111 Sofia, P.O.Box 50, Yavorov complex, bl. 71, entry 4, floor 1, firstname.lastname@example.org.
To determine the ornithological significance of SPA “Rila bufer” territory ornithological data on the basis of which Rila IBA was defined in the period up to 2005 as well as new data summarized in the analysis provided by the MOEW in 2010, were used, as follows:
BSPB. 2010. Information on the territories of six ornithologically important sites remaining outside the Birds Protection Network in relation to infringement procedure 2007/4850 on the European Commission's inventory. Part I: RIA IBA (IBA BG055) - assessment to the Rila SPA "BG0000495" of the newly proposed sites for inclusion in Natura 2000 and the remaining unpublished parts of the IBA - report submitted to the MOEW
Kostadinova, I., M. Gramatikov (ref.). 2007. Important Bird Areas in Bulgaria and Natura 2000. BSPB, 11, Sofia, 639 p. (In Bulgarian and English).
Michev, T., Ts. Petrov, L. Profirov, P. Yankov, S. Gavrailov. 1989. Dissemination and conservation status of the rock eagle Aquila chrysaetos chrysaetos (L.), 1758 in Bulgaria. - Exc. music. U. Bulgaria, 15, 79-87 .;
Nikolov, B., I. Hristov, P. Shurulinkov, I. Nikolov, A. Rogev, A. Dutsov, R. Stanchev. 2001. New data on some poorly studied species of owls (Strix uralensis, Glaucidium passerinum, Aegolius funereus) in Bulgaria. - Forest Science, Kn. 1/2, 75-86 .;
Petrov, Ts., P. Yankov, T. Mitchev, B. Milchev, L. Profirov. 1991. Distribution, number and conservation measures of black stork, Ciconia nigra (L.) in Bulgaria. - Exc. music. U. Bulgaria, T. 17, 25-32 .;
Simeonov, S., T. Mitchev. 1985. Contemporary distribution and number of owls (Bubo bubo (L.) in Bulgaria - Ecology, 15, 60-65 .;
MOEW. 1998. CORINE Biotopes Database of sites of European Importance for biodiversity. Bulgaria, MOSV (unpublished);
Nankinov, D. 1997b. Status of Tengmalms Owl, Aegolius funereus, in Bulgaria. - Riv. ital. Orn., Milano, 66, 2, 127-136;
Shurulinkov, P. S., B. P. Nikolov, G. P. Stoyanov, I. P. Nikolov. 2003. Erstes sicheres Brüten des Karmingimpels in Bulgarien - Orn. Mitt., 55, 4: 122-127;
In addition, new data were used on the White-backed Woodpecker and the Three-toed Woodpecker gathered in the period 2013-2014 under project "Action plans for the Western Capercaillie, Three-toed and White-backed woodpeckers" under Operational Program "Environment 2007-2013".