Site: Frengen
| Species | Scientific name | 2017 | 2019 | 2020 | 2021 |
|---|---|---|---|---|---|
| Blue Tit | Cyanistes caeruleus | 1 | 1 | 2 | |
| Eurasian Bullfinch | Pyrrhula pyrrhula | 2 | |||
| Great Spotted Woodpecker | Dendrocopos major | 1 | 2 | ||
| European Greenfinch | Carduelis chloris | 1 | |||
| Green Woodpecker | Picus viridis | 1 | 1 | ||
| House Sparrow | Passer domesticus | 1 | |||
| Yellowhammer | Emberiza citrinella | 1 | 1 | 2 | |
| Great Tit | Parus major | 1 | 1 | 2 | |
| Marsh Tit | Poecile palustris | 1 | 1 | 2 | |
| Eurasian Jay | Garrulus glandarius | 1 | 1 | ||
| Eurasian Tree Sparrow | Passer montanus | 1 | 2 | ||
| Robin | Erithacus rubecula | 1 | |||
| Eurasian Magpie | Pica pica | 1 | 1 | 2 | |
| Nuthatch | Sitta europaea | 1 | 2 | ||
| Coal Tit | Periparus ater | 2 | |||
| Common Blackbird | Turdus merula | 1 | |||
| House Martin | Delichon urbicum | 2 | |||
| Eurasian Treecreeper | Certhia familiaris | 1 |
