Site: Duken
| Species | Scientific name | 2003 | 2004 |
|---|---|---|---|
| Brambling | Fringilla montifringilla | 1 | 2 |
| Blue Tit | Cyanistes caeruleus | 9 | 14 |
| Chaffinch | Fringilla coelebs | 8 | 6 |
| Eurasian Bullfinch | Pyrrhula pyrrhula | 9 | 4 |
| Common Pheasant | Phasianus colchicus | 3 | |
| Great Spotted Woodpecker | Dendrocopos major | 9 | 14 |
| Winter Wren | Troglodytes troglodytes | 4 | 1 |
| Willow Tit | Poecile montanus | 8 | 3 |
| European Greenfinch | Carduelis chloris | 9 | 13 |
| Eurasian Siskin | Carduelis spinus | 4 | |
| Mealy Redpoll | Carduelis flammea | 7 | |
| House Sparrow | Passer domesticus | 6 | 5 |
| Fieldfare | Turdus pilaris | 5 | 2 |
| Yellowhammer | Emberiza citrinella | 8 | 14 |
| Great Tit | Parus major | 9 | 14 |
| Hooded Crow | Corvus cornix | 8 | 10 |
| White Wagtail | Motacilla alba | 1 | |
| Eurasian Jay | Garrulus glandarius | 4 | 7 |
| Eurasian Tree Sparrow | Passer montanus | 5 | 14 |
| Wood Pigeon | Columba palumbus | 10 | |
| Robin | Erithacus rubecula | 9 | 14 |
| Redwing | Turdus iliacus | 2 | 1 |
| Bohemian Waxwing | Bombycilla garrulus | 2 | 1 |
| Black-billed Magpie | Pica pica | 9 | 14 |
| Nuthatch | Sitta europaea | 7 | 4 |
| Eurasian Sparrowhawk | Accipiter nisus | 1 | 3 |
| Coal Tit | Periparus ater | 4 | 13 |
| Common Blackbird | Turdus merula | 1 |
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