Site: Osan
| Species | Scientific name | 2015 | 2016 | 2019 | 2020 | 2024 |
|---|---|---|---|---|---|---|
| Feral Pigeon | Columba livia domestica | 1 | ||||
| Blue Tit | Cyanistes caeruleus | 2 | 1 | 1 | 1 | 1 |
| Lesser Redpoll | Acanthis cabaret | 1 | ||||
| Eurasian Bullfinch | Pyrrhula pyrrhula | 1 | 1 | 1 | ||
| Mew Gull | Larus canus | 1 | ||||
| Great Spotted Woodpecker | Dendrocopos major | 1 | ||||
| Willow Tit | Poecile montanus | 1 | 1 | 1 | ||
| European Greenfinch | Chloris chloris | 1 | 1 | 1 | ||
| Eurasian Siskin | Spinus spinus | 1 | ||||
| House Sparrow | Passer domesticus | 1 | 2 | 1 | ||
| Great Tit | Parus major | 2 | 1 | 2 | 1 | 1 |
| Hooded Crow | Corvus cornix | 1 | 1 | |||
| Eurasian Jay | Garrulus glandarius | 1 | ||||
| Eurasian Magpie | Pica pica | 2 | 1 | 2 | 1 | |
| Eurasian Sparrowhawk | Accipiter nisus | 1 | ||||
| Coal Tit | Periparus ater | 1 | ||||
| Common Blackbird | Turdus merula | 2 | 1 | 1 | 1 |
