Site: Trollhaugen
| Species | Scientific name | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|---|
| Brambling | Fringilla montifringilla | 1 | 2 | 1 | 1 | |||||
| Blue Tit | Cyanistes caeruleus | 6 | 2 | 5 | 4 | 2 | 2 | 3 | 3 | 3 |
| Chaffinch | Fringilla coelebs | 3 | 1 | 4 | 2 | 1 | 1 | 2 | 1 | |
| Eurasian Bullfinch | Pyrrhula pyrrhula | 4 | 2 | 5 | 1 | 2 | 2 | 3 | 3 | 3 |
| Eurasian Red Squirrel | Sciurus vulgaris | 2 | 2 | 5 | 3 | 2 | 1 | 3 | 3 | 2 |
| Great Spotted Woodpecker | Dendrocopos major | 3 | 2 | 5 | 4 | 2 | 2 | 3 | 3 | 3 |
| Willow Tit | Poecile montanus | 5 | 2 | 4 | 3 | 1 | 1 | 3 | 3 | 3 |
| European Greenfinch | Chloris chloris | 2 | 1 | 4 | 1 | 1 | 1 | 1 | ||
| Eurasian Siskin | Spinus spinus | 1 | 1 | 4 | 1 | 1 | 2 | |||
| Mealy Redpoll | Acanthis flammea | 2 | 2 | 1 | 1 | 3 | 1 | |||
| Fieldfare | Turdus pilaris | 1 | ||||||||
| Yellowhammer | Emberiza citrinella | 1 | ||||||||
| House mouse | Mus musculus | 2 | 1 | 2 | 2 | |||||
| Northern Goshawk | Accipiter gentilis | 1 | ||||||||
| Hedge Accentor | Prunella modularis | 1 | 3 | 2 | ||||||
| Hawfinch | Coccothraustes coccothraustes | 1 | 1 | 1 | 1 | |||||
| Great Tit | Parus major | 6 | 2 | 5 | 4 | 2 | 2 | 3 | 3 | 3 |
| White Wagtail | Motacilla alba | 2 | 1 | |||||||
| Eurasian Jay | Garrulus glandarius | 4 | 1 | 2 | 1 | 3 | 3 | 3 | ||
| Eurasian Tree Sparrow | Passer montanus | 1 | 1 | 2 | ||||||
| Wood Pigeon | Columba palumbus | 1 | 4 | |||||||
| Robin | Erithacus rubecula | 2 | 1 | 3 | 1 | 1 | 1 | |||
| Eurasian Magpie | Pica pica | 4 | 1 | 3 | 3 | 2 | 2 | 3 | ||
| Stock Pigeon | Columba oenas | 1 | 1 | 1 | ||||||
| Nuthatch | Sitta europaea | 4 | 2 | 5 | 4 | 2 | 2 | 3 | 3 | 3 |
| European Goldfinch | Carduelis carduelis | 2 | 3 | |||||||
| Long-tailed Tit | Aegithalos caudatus | 3 | ||||||||
| Pied Flycatcher | Ficedula hypoleuca | 1 | 1 | |||||||
| Coal Tit | Periparus ater | 5 | 2 | 5 | 4 | 2 | 1 | 3 | 3 | 3 |
| Common Blackbird | Turdus merula | 2 | 1 | 3 | 3 | 1 | 1 | 1 | 3 | |
| Camberwell Beauty | Nymphalis antiopa | 1 | ||||||||
| Eurasian Treecreeper | Certhia familiaris | 2 |
