rehľad krúžkovania vtákov na Slovensku za rok 2020

Abstract

In 2020, 57 ringers ringed altogether 62,455 birds, of them 5,531 were nestlings. That number was 5% (2,984) higher compared to 2019. The ringed birds belonged to 161 species. The most numerous ringed species were Blackcap (Sylvia atricapilla, 7,681 ind.), Barn Swallow (Hirundo rustica, 7,536 ind.) Great Tit (Parus major, 6,109 individuals), Blue Tit (Cyanistes caeruleus, 5,463 ind.) and European robin (Erithacus rubecula, 4,704 ind.). Alltogether 710 abroad recoveries were registered, out of them were 293 individuals ringed abroad and re-trapped in Slovakia, 417 individuals ringed in Slovakia re-trapped abroad. The colour ringed schemes in Slovakia are presented here also.