Observations of rare and little known birds in breeding season around the natural monument "Ragusha river" (Boksitogorsk raion, Leningrad oblast) in 2003-2017

Second edition. First publication: Travin D.Yu., Gorelov I.I., Grebenkova A.P., Rappoport A.V., Bass M.G. 2018. Meetings of rare and little-studied birds in the nesting period in the vicinity of the nature monument “River Ragusha” (Leningrad Region, Boksitogorsk region) in 2003-2017 // Ornithology: history, traditions, problems and prospects. Materials All-Russia. conf., dedicated. 120th anniversary of the birth of Professor GP Dementiev. M .: 389-395.