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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 29/03.
Flere enn forventet
European Shag3305+465%
Rock Dove58+283%
Red-throated Loon45+243%
Mew Gull5497+238%
Lesser Black-backed Gull338+141%
European Rock Pipit1022+101%
Razorbill50+99%
Red-breasted Merganser110+75%
Great Cormorant435+53%
Grey Heron42+42%
Common Linnet45+31%
Common Loon17+28%
European Robin71+26%
White Wagtail58+17%
Common Eider662+14%
Common Shelduck262+4%
Song Thrush38+1%
Hooded Crow422-3%
Mute Swan31-6%
Black-legged Kittiwake45-9%
Mallard690-9%
Great Black-backed Gull542-9%
Common Ringed Plover51-13%
European Greenfinch66-16%
Common Magpie50-22%
Færre enn forventet
Common Snipe1-96%
Mistle Thrush1-93%
Velvet Scoter1-93%
Coal Tit2-93%
Dunlin1-91%
Whooper Swan1-91%
Eurasian Siskin7-88%
Twite2-88%
Great Tit7-87%
Black-headed Gull123-84%
Eurasian Tree Sparrow12-82%
Common Chaffinch71-81%
Western Jackdaw34-81%
Common Scoter30-80%
Goldcrest17-78%
Yellowhammer30-75%
House Sparrow34-72%
Pink-footed Goose2-71%
Common Wood Pigeon90-69%
Eurasian Skylark242-68%
Common Teal35-67%
Eurasian Wigeon69-67%
Meadow Pipit59-66%
Redwing10-66%
Rook3-65%
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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