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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 02/04.
Flere enn forventet
Willow Tit61+966%
European Goldfinch54+694%
Red Crossbill72+533%
Razorbill178+507%
Rook67+482%
Common Stonechat38+477%
Coal Tit165+445%
Common Crane28+436%
Pink-footed Goose39+403%
Rock Dove102+385%
Red-throated Loon81+254%
European Shag2721+226%
Northern Gannet709+206%
Mew Gull8572+196%
Common Linnet182+183%
White-tailed Eagle16+181%
Common Reed Bunting45+148%
Red-breasted Merganser209+132%
Blue Tit24+132%
Common Murre81+130%
Common Loon32+93%
Redwing81+83%
White Wagtail144+82%
European Rock Pipit1074+70%
Lesser Black-backed Gull494+67%
Færre enn forventet
Snow Bunting1-96%
Twite1-95%
Northern Wheatear1-95%
Eurasian Siskin9-89%
Long-tailed Duck34-84%
Common Raven6-82%
Mute Swan8-80%
Red-necked Grebe2-75%
Common Snipe9-74%
Eurasian Woodcock3-70%
Chiffchaff4-69%
Mistle Thrush6-63%
Dunlin5-62%
Brambling3-60%
Common Scoter79-60%
Western Jackdaw94-59%
Eurasian Sparrowhawk3-58%
Goldcrest48-58%
Common Ringed Plover33-57%
Black-headed Gull499-55%
Goosander17-53%
Dunnock7-49%
Velvet Scoter9-47%
Eurasian Curlew175-46%
Common Wood Pigeon216-42%
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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