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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 01/04.
Flere enn forventet
European Shag4157+494%
Red-throated Loon104+460%
Mew Gull7423+212%
Rock Dove58+205%
Red-breasted Merganser173+114%
European Rock Pipit1257+112%
Lesser Black-backed Gull436+101%
Razorbill53+93%
Northern Wheatear22+68%
Common Linnet85+51%
Great Cormorant533+48%
Grey Heron49+35%
White Wagtail95+33%
Common Shelduck410+31%
Common Loon20+28%
Common Eider789+12%
Hooded Crow569+11%
Eurasian Wigeon279+9%
Song Thrush73+8%
Mallard944+7%
European Greenfinch103+6%
Eurasian Sparrowhawk7+4%
Common Stonechat6-4%
Chiffchaff11-6%
Great Black-backed Gull659-6%
Færre enn forventet
Dunlin1-93%
Dunnock1-92%
Great Tit7-89%
Mistle Thrush2-88%
Coal Tit4-87%
European Golden Plover3-87%
Black-headed Gull150-86%
Common Scoter32-83%
Western Jackdaw38-83%
Twite4-80%
Goldcrest24-78%
Common Chaffinch130-77%
Eurasian Tree Sparrow20-76%
Pink-footed Goose2-75%
Whooper Swan3-75%
Redwing11-74%
Rook3-73%
House Sparrow41-72%
Common Wood Pigeon105-71%
Common Snipe10-68%
Long-tailed Duck68-66%
Eurasian Curlew108-66%
Red Crossbill4-65%
Yellowhammer54-63%
Eurasian Skylark360-59%
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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