Viggo Hallgren
| Species | Scientific name | 2012 | 2013 | 2015 | 2016 | 2017 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|
| Blue Tit | Cyanistes caeruleus | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Eurasian Bullfinch | Pyrrhula pyrrhula | 1 | 1 | 1 | |||||
| Great Spotted Woodpecker | Dendrocopos major | 1 | 1 | ||||||
| European Greenfinch | Chloris chloris | 1 | 1 | 1 | |||||
| House Sparrow | Passer domesticus | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Great Tit | Parus major | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Eurasian Tree Sparrow | Passer montanus | 1 | 1 | 1 | 1 | 1 | |||
| Robin | Erithacus rubecula | 1 | 1 | 1 | 1 | 1 | 1 | ||
| Eurasian Magpie | Pica pica | 1 | 1 | 1 | 1 | 1 | |||
| Common Blackbird | Turdus merula | 1 | 1 | 1 | 1 |
