Only in English News Support us Volunteer Species list Deviation Log Ringing numbers Yearly totals Abroad About us Volunteers 2019-2025 Volunteers 2015-2018 Recording area Norwegian list Accommodation Guiding Publications 2011-2025 1957-2010 Transport Contact Bird Obs Norway Videos Log in Search the site	Deviation Shows deviations from previous years'' observations for the last year seasons. Only species with annual average larger than 5 are included. The table is intended to give indications of which species that have been particularly scarce or abundant in the past year. This is not processed data and many species have a variable occurrence at the observatory. The changes should therefore not be taken literally or referred to directly as documentation for population changes. Vår Sammenligningsdata fra 1990 til 2024 med siste sesong 2025. Fra 15/03 til 10/06. Flere enn forventet Common Redpoll 298 +5308% European Shag 13107 +538% Common Stonechat 90 +383% Great Spotted Woodpecker 23 +347% European Goldfinch 522 +342% White-tailed Eagle 47 +281% Eurasian Wryneck 93 +225% Razorbill 333 +190% Chiffchaff 581 +177% Gadwall 47 +166% Northern Pintail 49 +166% Canada Goose 42 +107% Rock Dove 312 +106% Carrion Crow 55 +82% Bar-tailed Godwit 48 +78% Western Yellow Wagtail 150 +74% European Rock Pipit 1839 +74% Hooded Crow 3218 +73% Northern Gannet 5198 +65% Common Murre 285 +56% Mew Gull 22129 +55% Common Crane 61 +53% Green Sandpiper 17 +51% Red-throated Loon 3349 +44% Mallard 2714 +44% Færre enn forventet Crested Tit 1 -94% Black-headed Gull 311 -92% Twite 7 -91% Mistle Thrush 3 -90% Pink-footed Goose 2 -89% Common Quail 1 -89% Northern Fulmar 100 -88% Hen Harrier 1 -87% Merlin 2 -87% Eurasian Collared Dove 17 -86% Eurasian Dotterel 6 -85% Sandwich Tern 1 -84% Common Rosefinch 1 -84% Marsh Warbler 1 -83% Fieldfare 295 -83% Ruff 4 -82% Garganey 3 -82% Brambling 13 -81% Whooper Swan 3 -81% Long-tailed Duck 132 -81% Common Snipe 45 -80% Great Skua 4 -80% Black-legged Kittiwake 79 -78% Common Sandpiper 12 -77% Lesser redpoll 123 -77% Høst Sammenligningsdata fra 1990 til 2024 med siste sesong 2025. Fra 15/07 til 16/09. Flere enn forventet Common Stonechat 325 +3503% Coal Tit 4142 +1292% Great Spotted Woodpecker 272 +1169% Eurasian Treecreeper 95 +1016% Barnacle Goose 214 +746% Common Quail 80 +700% Rock Dove 1806 +686% Eurasian Nuthatch 125 +666% Common Crane 103 +637% Marsh Warbler 36 +585% Common Murre 337 +529% Chiffchaff 106 +473% Willow Tit 518 +455% Eurasian Wryneck 31 +451% European Goldfinch 989 +438% Blue Tit 1172 +425% Sanderling 737 +347% Grey Wagtail 100 +265% Western Osprey 21 +262% Spotted Nutcracker 183 +243% Black-throated Loon 27 +242% Western Marsh Harrier 131 +241% Great Tit 812 +240% Canada Goose 54 +240% Lesser Whitethroat 235 +238% Færre enn forventet Two-barred Crossbill 1 -99% Eurasian Jay 2 -98% Twite 5 -96% Great Skua 8 -96% Lesser redpoll 16 -94% Brambling 51 -93% Black-headed Gull 106 -88% Northern Lapwing 175 -84% European Reed Warbler 10 -81% Little Stint 26 -80% Common Tern 18 -70% Northern Shoveler 3 -64% Brant Goose 70 -62% European Greenfinch 307 -57% Merlin 19 -51% Northern Goshawk 7 -51% Dunlin 2353 -50% Northern Pintail 18 -46% Grey Plover 40 -45% Sedge Warbler 168 -42% Common House Martin 268 -42% House Sparrow 1121 -41% Common Raven 75 -40% Eurasian Collared Dove 8 -40% Sand Martin 342 -40%
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