Data on new vagrant and breeding species of Kolguev Island are presented. The complete bird list of Kolguev Island currently, in 2019, consists of 111 species, among which 58 species are known to be breeding on the island. Mute Swan (Cygnus olor), Bar-headed Goose (Anser indicus), Ross’s Goose (Anser rossii), Garganey (Anas querquedula), Smew (Mergellus albellus), Crane (Grus grus), Bar-tailed Godwit (Limosa lapponica), Brünnich’s Guillemot (Uria lomvia), Magpie (Pica pica), Nuthatch (Sitta europaea), Tree Sparrow (Passer montanus), Crossbill (Loxia curvirostra), Two-barred Crossbill (Loxia leucoptera), and Bullfinch (Pyrrhula pyrrhula) were registered as new vagrant species. Breeding was confirmed for Teal (Anas crecca), Tufted Duck (Aythya fuligula), Common Scoter (Melanitta nigra), Velvet Scoter (Melanitta fusca), Rough-legged Buzzard (Buteo lagopus), Gyrfalcon (Falco rusticolus), Dotterel (Eudromias morinellus), Wood Sandpiper (Tringa glareola), Common Snipe (Gallinago gallinago), Jack Snipe (Lymnocryptes minimus), Great Skua (Stercorarius skua), Kittiwake (Rissa tridactyla), Sedge Warbler (Acrocephalus schoenobaenus), Reed Bunting (Schoeniclus schoeniclus), Little Bunting (Ocyris pusillus). Breeding was also recorded for a Ross’s Goose in a mixed pair with a Barnacle Goose (Branta leucopsis). Velvet Scoter and Rough-legged Buzzard appeared to be rather common breeding species all over the central part of Kolguev Island. Continuous growth of the breeding population of Barnacle Goose was observed all over the island.