Site: Heer
| Species | Scientific name | 2011 | 2012 | 2013 | 2016 | 2017 |
|---|---|---|---|---|---|---|
| Feral Pigeon | Columba livia domestica | 2 | 2 | 2 | ||
| Brambling | Fringilla montifringilla | 1 | 2 | 1 | 1 | 1 |
| Blue Tit | Cyanistes caeruleus | 3 | 3 | 2 | 1 | 1 |
| Chaffinch | Fringilla coelebs | 2 | 3 | 2 | 1 | |
| Eurasian Bullfinch | Pyrrhula pyrrhula | 3 | 1 | 1 | 1 | |
| Great Spotted Woodpecker | Dendrocopos major | 1 | 3 | 1 | 1 | |
| Willow Tit | Poecile montanus | 1 | ||||
| European Greenfinch | Carduelis chloris | 1 | 3 | 2 | 1 | 1 |
| Eurasian Siskin | Carduelis spinus | 1 | ||||
| Mealy Redpoll | Carduelis flammea | 1 | 1 | |||
| House Sparrow | Passer domesticus | 3 | 3 | 2 | 1 | 1 |
| Fieldfare | Turdus pilaris | 1 | ||||
| Yellowhammer | Emberiza citrinella | 2 | 3 | 2 | 1 | 1 |
| Wood Anemone | Anemone nemorosa | 1 | ||||
| Jackdaw | Corvus monedula | 2 | 1 | |||
| Hawfinch | Coccothraustes coccothraustes | 3 | 3 | 2 | 1 | |
| Great Tit | Parus major | 3 | 3 | 2 | 1 | 1 |
| White Wagtail | Motacilla alba | 1 | 1 | |||
| Small Tortoiseshell | Aglais urticae | 1 | ||||
| Eurasian Tree Sparrow | Passer montanus | 3 | 3 | 2 | 1 | 1 |
| Wood Pigeon | Columba palumbus | 2 | 1 | 1 | ||
| Ring Ouzel | Turdus torquatus | 1 | ||||
| Robin | Erithacus rubecula | 1 | 1 | 1 | ||
| Eurasian Magpie | Pica pica | 3 | 3 | 2 | ||
| Nuthatch | Sitta europaea | 1 | 1 | 1 | 1 | |
| Eurasian Sparrowhawk | Accipiter nisus | 2 | 1 | |||
| European Goldfinch | Carduelis carduelis | 1 | 2 | 2 | 1 | 1 |
| European Starling | Sturnus vulgaris | 2 | 1 | |||
| Common Blackbird | Turdus merula | 1 | 2 | 1 | 1 | |
| Eurasian Collared Dove | Streptopelia decaocto | 1 | 2 | 2 | 1 | |
| Bumble-bee | Bombus sp. | 1 |
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