Site: Knattholmen
| Species | Scientific name | 2011 | 2016 | 2017 | 2018 | 2021 | 2023 |
|---|---|---|---|---|---|---|---|
| European Hornet | Vespa crabro | 1 | |||||
| Common Shelduck | Tadorna tadorna | 1 | 2 | ||||
| Green Woodpecker | Picus viridis | 1 | |||||
| Greylag Goose | Anser anser | 1 | 1 | ||||
| Grey Heron | Ardea cinerea | 2 | |||||
| Black-headed Gull | Chroicocephalus ridibundus | 1 | |||||
| Barnacle Goose | Branta leucopsis | 1 | |||||
| Canada Goose | Branta canadensis | 1 | |||||
| Mute Swan | Cygnus olor | 2 | |||||
| Barn Swallow | Hirundo rustica | 1 | |||||
| Common Tern | Sterna hirundo | 1 | |||||
| Thrush Nightingale | Luscinia luscinia | 1 | |||||
| Common Redstart | Phoenicurus phoenicurus | 1 | 1 | 2 | |||
| Red-breasted Merganser | Mergus serrator | 1 | |||||
| Great Cormorant | Phalacrocorax carbo | 2 | |||||
| Great Black-backed Gull | Larus marinus | 1 | |||||
| Eurasian Oystercatcher | Haematopus ostralegus | 2 | |||||
| Linnet | Carduelis cannabina | 1 | |||||
| Three-toed Woodpecker | Picoides tridactylus | 1 | |||||
| Great Grey Shrike | Lanius excubitor | 1 | |||||
| Eurasian Wryneck | Jynx torquilla | 1 |
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