| Blue Tit (Cyanistes caeruleus) | | 2017-05-01 | 2017-04-23 | Høllen (Agder, Norway) |  |
| Eurasian Collared Dove (Streptopelia decaocto) | | 2017-05-01 | 2017-04-23 | Høllen (Agder, Norway) | |
| Common Blackbird (Turdus merula) | | 2017-05-01 | 2017-04-23 | Høllen (Agder, Norway) | |
| Black-billed Magpie (Pica pica) | | 2017-05-01 | 2017-04-23 | Høllen (Agder, Norway) | |
| Robin (Erithacus rubecula) | | 2017-05-01 | 2017-04-23 | Høllen (Agder, Norway) | |
| Wood Pigeon (Columba palumbus) | | 2017-05-01 | 2017-04-23 | Høllen (Agder, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2017-05-01 | 2017-04-23 | Høllen (Agder, Norway) | |
| White Wagtail (Motacilla alba) | | 2017-05-01 | 2017-04-23 | Høllen (Agder, Norway) | |
| Hooded Crow (Corvus cornix) | | 2017-05-01 | 2017-04-23 | Høllen (Agder, Norway) | |
| Great Tit (Parus major) | | 2017-05-01 | 2017-04-23 | Høllen (Agder, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2017-05-01 | 2017-04-23 | Høllen (Agder, Norway) | |
| Fieldfare (Turdus pilaris) | | 2017-05-01 | 2017-04-23 | Høllen (Agder, Norway) | |
| House Sparrow (Passer domesticus) | | 2017-05-01 | 2017-04-23 | Høllen (Agder, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2017-05-01 | 2017-04-23 | Høllen (Agder, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2017-05-01 | 2017-04-23 | Høllen (Agder, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2017-05-01 | 2017-04-23 | Høllen (Agder, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2017-04-18 | 2017-04-17 | Høllen (Agder, Norway) | |
| Eurasian Collared Dove (Streptopelia decaocto) | | 2017-04-18 | 2017-04-17 | Høllen (Agder, Norway) | |
| Common Blackbird (Turdus merula) | | 2017-04-18 | 2017-04-17 | Høllen (Agder, Norway) | |
| Black-billed Magpie (Pica pica) | | 2017-04-18 | 2017-04-17 | Høllen (Agder, Norway) | |
| Robin (Erithacus rubecula) | | 2017-04-18 | 2017-04-17 | Høllen (Agder, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2017-04-18 | 2017-04-17 | Høllen (Agder, Norway) | |
| Hooded Crow (Corvus cornix) | | 2017-04-18 | 2017-04-17 | Høllen (Agder, Norway) | |
| Great Tit (Parus major) | | 2017-04-18 | 2017-04-17 | Høllen (Agder, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2017-04-18 | 2017-04-17 | Høllen (Agder, Norway) | |
| House Sparrow (Passer domesticus) | | 2017-04-18 | 2017-04-17 | Høllen (Agder, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2017-04-18 | 2017-04-17 | Høllen (Agder, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2017-04-18 | 2017-04-17 | Høllen (Agder, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2017-03-22 | 2017-03-19 | Høllen (Agder, Norway) | |
| House Sparrow (Passer domesticus) | | 2017-03-22 | 2017-03-19 | Høllen (Agder, Norway) | |
| Great Tit (Parus major) | | 2017-03-22 | 2017-03-19 | Høllen (Agder, Norway) | |
| Hooded Crow (Corvus cornix) | | 2017-03-22 | 2017-03-19 | Høllen (Agder, Norway) | |
| Wood Pigeon (Columba palumbus) | | 2017-03-22 | 2017-03-19 | Høllen (Agder, Norway) | |
| Black-billed Magpie (Pica pica) | | 2017-03-22 | 2017-03-19 | Høllen (Agder, Norway) | |
| Common Blackbird (Turdus merula) | | 2017-03-22 | 2017-03-19 | Høllen (Agder, Norway) | |
| Eurasian Collared Dove (Streptopelia decaocto) | | 2017-03-22 | 2017-03-19 | Høllen (Agder, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2017-02-26 | 2017-02-25 | Høllen (Agder, Norway) | |
| Eurasian Collared Dove (Streptopelia decaocto) | | 2017-02-26 | 2017-02-25 | Høllen (Agder, Norway) | |
| Common Blackbird (Turdus merula) | | 2017-02-26 | 2017-02-25 | Høllen (Agder, Norway) | |
| Nuthatch (Sitta europaea) | | 2017-02-26 | 2017-02-25 | Høllen (Agder, Norway) | |
| Robin (Erithacus rubecula) | | 2017-02-26 | 2017-02-25 | Høllen (Agder, Norway) | |
| Wood Pigeon (Columba palumbus) | | 2017-02-26 | 2017-02-25 | Høllen (Agder, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2017-02-26 | 2017-02-25 | Høllen (Agder, Norway) | |
| Hooded Crow (Corvus cornix) | | 2017-02-26 | 2017-02-25 | Høllen (Agder, Norway) | |
| Great Tit (Parus major) | | 2017-02-26 | 2017-02-25 | Høllen (Agder, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2017-02-26 | 2017-02-25 | Høllen (Agder, Norway) | |
| House Sparrow (Passer domesticus) | | 2017-02-26 | 2017-02-25 | Høllen (Agder, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2017-02-26 | 2017-02-25 | Høllen (Agder, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2017-02-26 | 2017-02-25 | Høllen (Agder, Norway) | |
| Winter Wren (Troglodytes troglodytes) | | 2017-02-26 | 2017-02-25 | Høllen (Agder, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education