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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 2024 med siste sesong 2025. Fra 15/03 til 02/05.
Flere enn forventet
European Goldfinch412+702%
European Shag9518+513%
Eurasian Wryneck41+324%
White-tailed Eagle42+308%
Gadwall29+302%
Razorbill222+281%
Common Stonechat45+278%
Carrion Crow42+252%
Rock Dove225+236%
Lesser Whitethroat25+228%
Chiffchaff386+197%
Northern Pintail37+171%
Sand Martin489+164%
Common House Martin50+163%
Common Crane49+127%
Western Yellow Wagtail20+124%
Barnacle Goose94+103%
Bar-tailed Godwit41+99%
Northern Gannet2330+93%
Willow Warbler239+86%
Red-throated Loon1370+84%
European Greenfinch508+79%
Blackcap63+78%
Hooded Crow2134+77%
European Rock Pipit1646+76%
Færre enn forventet
Black-headed Gull242-91%
Crested Tit1-90%
Mistle Thrush3-90%
Pink-footed Goose2-88%
Garganey1-88%
Twite7-88%
Eurasian Collared Dove4-85%
Hen Harrier1-85%
Merlin2-83%
Brambling12-82%
Whooper Swan3-80%
Long-tailed Duck129-80%
Fieldfare244-79%
Common Snipe40-78%
Common Buzzard2-77%
Red-necked Grebe4-76%
Ring Ouzel4-73%
Greylag Goose1160-72%
Dunlin7-69%
Common Chaffinch622-67%
Common Wood Pigeon313-67%
Northern Lapwing1186-66%
Brant Goose2-65%
Meadow Pipit710-65%
Black-legged Kittiwake47-63%
Høst
Sammenligningsdata fra 1990 til 2023 med siste sesong 2024. Fra 15/07 til 15/11.
Flere enn forventet
Common Blackbird38384+3591%
Common Stonechat177+680%
Common Redpoll605+464%
Black-tailed Godwit96+430%
Little Grebe31+257%
Rock Dove1380+250%
Red-backed Shrike177+244%
Sooty Shearwater19+214%
Black-legged Kittiwake4092+199%
Eurasian Wryneck16+192%
Mute Swan243+182%
White-tailed Eagle35+153%
Common Quail23+136%
Eurasian Siskin18387+130%
Eurasian Whimbrel176+126%
Manx Shearwater22+121%
Goosander59+120%
Eurasian Curlew2191+116%
European Goldfinch1622+107%
Eurasian Wigeon5054+106%
Carrion Crow55+102%
Sanderling343+100%
Western Osprey12+96%
Black Redstart19+89%
Common Crane32+88%
Færre enn forventet
Eurasian Jay1-100%
Little Auk37-100%
Willow Tit4-99%
Parrot Crossbill2-98%
Sedge Warbler9-98%
Rough-legged Buzzard1-97%
Two-barred Crossbill3-97%
Eurasian Bullfinch10-95%
Little Gull1-94%
Great Skua13-93%
Lapland Longspur4-93%
Brant Goose27-92%
Little Stint15-92%
Greater Scaup3-92%
Northern Fulmar149-90%
Lesser redpoll37-90%
Eurasian Collared Dove3-89%
Coal Tit132-88%
Long-tailed Tit30-87%
Common Murre99-87%
European Storm-petrel1-87%
Pink-footed Goose40-86%
Lesser Spotted Woodpecker3-85%
Common Chaffinch1780-84%
Short-eared Owl2-83%

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