| Great Tit (Parus major) | | 2015-01-26 | 2015-01-25 | Kastellet (Akershus, Norway) |  |
| European Starling (Sturnus vulgaris) | | 2014-05-06 | 2014-04-19 | Kastellet (Akershus, Norway) | |
| Pied Flycatcher (Ficedula hypoleuca) | | 2014-05-06 | 2014-05-01 | Kastellet (Akershus, Norway) | |
| White Wagtail (Motacilla alba) | | 2014-05-06 | 2014-04-17 | Kastellet (Akershus, Norway) | |
| Hedge Accentor (Prunella modularis) | | 2014-04-09 | 2014-03-30 | Kastellet (Akershus, Norway) | |
| Brambling (Fringilla montifringilla) | | 2014-04-09 | 2014-04-01 | Kastellet (Akershus, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2014-03-29 | 2014-03-13 | Kastellet (Akershus, Norway) | |
| Common Blackbird (Turdus merula) | | 2014-03-29 | 2014-03-14 | Kastellet (Akershus, Norway) | |
| European Goldfinch (Carduelis carduelis) | | 2014-03-29 | 2014-03-19 | Kastellet (Akershus, Norway) | |
| Robin (Erithacus rubecula) | | 2014-03-29 | 2014-03-28 | Kastellet (Akershus, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2014-03-29 | 2014-03-19 | Kastellet (Akershus, Norway) | |
| Wood Sandpiper (Tringa glareola) | | 2014-03-29 | 2014-03-13 | Kastellet (Akershus, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2013-04-28 | 2013-04-16 | Kastellet (Akershus, Norway) | |
| Robin (Erithacus rubecula) | | 2013-04-27 | 2013-04-20 | Kastellet (Akershus, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2013-04-27 | 2013-04-17 | Kastellet (Akershus, Norway) | |
| Hedge Accentor (Prunella modularis) | | 2013-04-27 | 2013-04-27 | Kastellet (Akershus, Norway) | |
| Common Blackbird (Turdus merula) | | 2013-04-27 | 2013-04-02 | Kastellet (Akershus, Norway) | |
| Brambling (Fringilla montifringilla) | | 2013-04-27 | 2013-04-17 | Kastellet (Akershus, Norway) | |
| White Wagtail (Motacilla alba) | | 2013-04-27 | 2013-04-27 | Kastellet (Akershus, Norway) | |
| Whinchat (Saxicola rubetra) | | 2012-05-05 | 2012-05-05 | Kastellet (Akershus, Norway) | |
| Pied Flycatcher (Ficedula hypoleuca) | | 2012-05-02 | 2012-04-30 | Kastellet (Akershus, Norway) | |
| Hawfinch (Coccothraustes coccothraustes) | | 2012-04-19 | 2012-04-10 | Kastellet (Akershus, Norway) | |
| Eurasian Siskin (Carduelis spinus) | | 2012-04-19 | 2012-03-22 | Kastellet (Akershus, Norway) | |
| Brambling (Fringilla montifringilla) | | 2012-04-15 | 2012-04-09 | Kastellet (Akershus, Norway) | |
| White Wagtail (Motacilla alba) | | 2012-04-15 | 2012-04-15 | Kastellet (Akershus, Norway) | |
| Hedge Accentor (Prunella modularis) | | 2012-04-02 | 2012-04-02 | Kastellet (Akershus, Norway) | |
| Robin (Erithacus rubecula) | | 2012-03-19 | 2012-03-19 | Kastellet (Akershus, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2012-03-19 | 2012-03-16 | Kastellet (Akershus, Norway) | |
| Common Blackbird (Turdus merula) | | 2012-03-19 | 2012-03-10 | Kastellet (Akershus, Norway) | |
| Pied Flycatcher (Ficedula hypoleuca) | | 2011-05-15 | 2011-05-12 | Kastellet (Akershus, Norway) | |
| Eurasian Wryneck (Jynx torquilla) | | 2011-05-02 | 2011-05-02 | Kastellet (Akershus, Norway) | |
| Hedge Accentor (Prunella modularis) | | 2011-04-21 | 2011-04-06 | Kastellet (Akershus, Norway) | |
| Blackcap (Sylvia atricapilla) | | 2011-04-20 | 2011-04-20 | Kastellet (Akershus, Norway) | |
| Brambling (Fringilla montifringilla) | | 2011-04-20 | 2011-04-19 | Kastellet (Akershus, Norway) | |
| White Wagtail (Motacilla alba) | | 2011-04-20 | 2011-04-15 | Kastellet (Akershus, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2011-03-30 | 2011-03-28 | Kastellet (Akershus, Norway) | |
| Robin (Erithacus rubecula) | | 2011-03-30 | 2011-03-28 | Kastellet (Akershus, Norway) | |
| Common Blackbird (Turdus merula) | | 2011-03-30 | 2011-03-29 | Kastellet (Akershus, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education