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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 2025 med siste sesong 2026. Fra 15/03 til 26/03.
Flere enn forventet
Razorbill146+525%
Coal Tit106+420%
Red Crossbill43+414%
Rook25+334%
Rock Dove50+317%
Common Linnet56+268%
Greylag Goose2068+251%
European Shag1631+202%
Common Reed Bunting18+178%
Mew Gull2565+174%
Blue Tit19+151%
Red-breasted Merganser115+139%
Common Murre52+130%
Lesser Black-backed Gull202+114%
Northern Gannet328+109%
Common Loon21+95%
White Wagtail54+84%
Common Teal135+80%
Song Thrush36+62%
European Golden Plover16+60%
Grey Heron39+59%
Eurasian Wigeon236+43%
Common Shelduck245+27%
Great Cormorant265+26%
European Rock Pipit519+26%
Færre enn forventet
Snow Bunting1-95%
Eurasian Siskin4-92%
Common Raven2-90%
Eurasian Woodcock1-83%
Long-tailed Duck23-80%
Mistle Thrush2-79%
Black-legged Kittiwake11-77%
Mute Swan7-74%
Tufted Duck3-73%
Western Jackdaw44-67%
Yellowhammer32-66%
Common Chaffinch56-65%
Redwing9-61%
Common Snipe6-59%
House Sparrow43-55%
Eurasian Oystercatcher434-55%
Common Scoter48-52%
Eurasian Curlew92-51%
Fieldfare71-50%
Goldcrest24-49%
Common Ringed Plover25-46%
Dunlin5-46%
Velvet Scoter6-39%
Common Goldeneye151-39%
Northern Lapwing880-39%
Høst
Sammenligningsdata fra 1990 til 2024 med siste sesong 2025. Fra 15/07 til 15/11.
Flere enn forventet
Common Stonechat419+1447%
Long-tailed Tit2893+1186%
Willow Tit2857+965%
Common Redpoll1124+825%
Common Quail80+691%
Common Crane121+594%
Marsh Warbler36+566%
Rock Dove2707+540%
Coal Tit6159+491%
Eurasian Wryneck31+437%
Great Spotted Woodpecker907+400%
Eurasian Nuthatch155+347%
Sanderling773+339%
European Goldfinch3529+338%
Eurasian Treecreeper242+272%
Pink-footed Goose985+266%
Western Osprey22+250%
Western Marsh Harrier140+250%
Crested Tit214+242%
Lesser Whitethroat243+237%
Red-backed Shrike183+232%
Lesser Spotted Woodpecker60+212%
Common Buzzard275+203%
White-tailed Eagle43+198%
Arctic Tern491+179%
Færre enn forventet
Two-barred Crossbill1-99%
Eurasian Jay7-99%
Tengmalm´s Owl1-98%
Lapland Longspur2-97%
Great Skua9-95%
Lesser redpoll19-95%
Snow Bunting3-93%
Jack Snipe3-91%
Wood Lark2-91%
Parrot Crossbill9-90%
Great Grey Shrike1-90%
Bohemian Waxwing70-89%
Ring Ouzel1-88%
Little Stint26-85%
Bluethroat1-84%
Black-headed Gull153-84%
European Reed Warbler10-83%
Little Auk786-82%
Rough-legged Buzzard6-81%
Long-tailed Duck53-78%
Northern Lapwing364-78%
Red-necked Grebe5-75%
Common Tern20-68%
Common Goldeneye97-68%
Razorbill1586-64%

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