Hammer, Helga Saksen
| Species | Scientific name | 2010 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feral Pigeon | Columba livia domestica | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |||||||
| Twite | Linaria flavirostris | 1 | |||||||||||||
| Brambling | Fringilla montifringilla | 1 | 2 | 1 | 1 | 2 | |||||||||
| Blue Tit | Cyanistes caeruleus | 2 | 3 | 3 | 3 | 2 | 2 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | |
| Chaffinch | Fringilla coelebs | 1 | 1 | 2 | |||||||||||
| Eurasian Bullfinch | Pyrrhula pyrrhula | 2 | 1 | 3 | 1 | 1 | 2 | 1 | 1 | 3 | 2 | 1 | 1 | ||
| Great Spotted Woodpecker | Dendrocopos major | 1 | 1 | 1 | |||||||||||
| Willow Tit | Poecile montanus | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 2 | 1 | 1 | |
| European Greenfinch | Chloris chloris | 2 | 1 | 2 | 2 | 2 | 1 | 2 | 2 | 2 | 1 | 1 | |||
| Eurasian Siskin | Spinus spinus | 1 | 1 | 1 | |||||||||||
| Herring Gull | Larus argentatus | 1 | |||||||||||||
| Mealy Redpoll | Acanthis flammea | 1 | 1 | 2 | 2 | 1 | |||||||||
| Grey-headed Woodpecker | Picus canus | 1 | |||||||||||||
| House Sparrow | Passer domesticus | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | |||
| Fieldfare | Turdus pilaris | 1 | 1 | ||||||||||||
| Yellowhammer | Emberiza citrinella | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||||||
| Jackdaw | Corvus monedula | 1 | 1 | ||||||||||||
| Cat | Felis catus | 1 | 1 | 2 | 1 | ||||||||||
| Great Tit | Parus major | 2 | 2 | 2 | 3 | 2 | 2 | 2 | 3 | 2 | 3 | 2 | 2 | 1 | 1 |
| Rook | Corvus frugilegus | 1 | |||||||||||||
| Hooded Crow | Corvus cornix | 2 | 2 | 2 | 2 | 3 | 1 | 1 | 2 | 2 | 2 | 3 | 2 | 1 | |
| Eurasian Tree Sparrow | Passer montanus | 1 | 1 | 1 | |||||||||||
| Arctic Redpoll | Acanthis hornemanni | 1 | 2 | ||||||||||||
| Wood Pigeon | Columba palumbus | 1 | |||||||||||||
| Robin | Erithacus rubecula | 1 | 1 | 1 | |||||||||||
| Whooper Swan | Cygnus cygnus | 1 | |||||||||||||
| Bohemian Waxwing | Bombycilla garrulus | 1 | |||||||||||||
| Eurasian Magpie | Pica pica | 2 | 2 | 2 | 3 | 2 | 2 | 2 | 3 | 2 | 3 | 3 | 2 | 1 | 1 |
| Nuthatch | Sitta europaea | 1 | |||||||||||||
| Eurasian Sparrowhawk | Accipiter nisus | 1 | 1 | 1 | 1 | 1 | |||||||||
| European Starling | Sturnus vulgaris | 1 | |||||||||||||
| Coal Tit | Periparus ater | 2 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | ||||||
| Common Blackbird | Turdus merula | 2 | 2 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | ||||
| Crested Tit | Lophophanes cristatus | 1 | |||||||||||||
| Eurasian Treecreeper | Certhia familiaris | 1 | |||||||||||||
| Common Kestrel | Falco tinnunculus | 1 |
