| White Wagtail (Motacilla alba) | | 2013-04-18 | 2013-04-17 | Ullerudåsen (Akershus, Norway) |
| Robin (Erithacus rubecula) | | 2013-04-18 | 2013-04-17 | Ullerudåsen (Akershus, Norway) |
| Brambling (Fringilla montifringilla) | | 2013-04-18 | 2013-04-17 | Ullerudåsen (Akershus, Norway) |
| Eurasian Tree Sparrow (Passer montanus) | | 2013-04-18 | 2013-04-17 | Ullerudåsen (Akershus, Norway) |
| Redwing (Turdus iliacus) | | 2013-04-18 | 2013-04-17 | Ullerudåsen (Akershus, Norway) |
| Ring Ouzel (Turdus torquatus) | | 2013-04-18 | 2013-04-18 | Ullerudåsen (Akershus, Norway) |
| Fieldfare (Turdus pilaris) | | 2013-04-18 | 2013-04-18 | Ullerudåsen (Akershus, Norway) |
| Song Thrush (Turdus philomelos) | | 2013-04-18 | 2013-04-18 | Ullerudåsen (Akershus, Norway) |
| Yellowhammer (Emberiza citrinella) | | 2013-04-02 | 2013-03-12 | Ullerudåsen (Akershus, Norway) |
| Wood Pigeon (Columba palumbus) | | 2013-04-02 | 2013-03-12 | Ullerudåsen (Akershus, Norway) |
| Eurasian Siskin (Carduelis spinus) | | 2013-04-02 | 2013-03-12 | Ullerudåsen (Akershus, Norway) |
| European Goldfinch (Carduelis carduelis) | | 2013-04-02 | 2013-03-12 | Ullerudåsen (Akershus, Norway) |
| Chaffinch (Fringilla coelebs) | | 2013-04-02 | 2013-04-02 | Ullerudåsen (Akershus, Norway) |
| Pied Flycatcher (Ficedula hypoleuca) | | 2012-05-21 | 2012-05-01 | Ullerudåsen (Akershus, Norway) |
| Hawfinch (Coccothraustes coccothraustes) | | 2012-04-25 | 2012-04-25 | Ullerudåsen (Akershus, Norway) |
| Downy Birch (Betula pubescens) | | 2012-03-31 | 2012-03-30 | Ullerudåsen (Akershus, Norway) |
| Mute Swan (Cygnus olor) | | 2012-03-19 | 2012-03-17 | Ullerudåsen (Akershus, Norway) |
| Colt's-foot (Tussilago farfara) | | 2012-03-14 | 2012-03-12 | Ullerudåsen (Akershus, Norway) |
| Colt's-foot (Tussilago farfara) | | 2012-03-14 | 2012-03-13 | Ullerudåsen (Akershus, Norway) |
| Colt's-foot (Tussilago farfara) | | 2012-03-12 | 2012-03-11 | Ullerudåsen (Akershus, Norway) |
| Small Tortoiseshell (Aglais urticae) | | 2012-03-12 | 2012-03-12 | Ullerudåsen (Akershus, Norway) |
| Brimstone (Gonepteryx rhamni) | | 2012-03-12 | 2012-03-12 | Ullerudåsen (Akershus, Norway) |
| Chaffinch (Fringilla coelebs) | | 2012-03-12 | 2012-03-03 | Ullerudåsen (Akershus, Norway) |
| Eurasian Siskin (Carduelis spinus) | | 2012-03-12 | 2012-03-06 | Ullerudåsen (Akershus, Norway) |
| Common Blackbird (Turdus merula) | | 2012-03-12 | 2012-03-03 | Ullerudåsen (Akershus, Norway) |
| European Goldfinch (Carduelis carduelis) | | 2012-03-12 | 2012-03-06 | Ullerudåsen (Akershus, Norway) |
| Wood Pigeon (Columba palumbus) | | 2012-03-12 | 2012-03-03 | Ullerudåsen (Akershus, Norway) |
| Willow Warbler (Phylloscopus trochilus) | | 2011-04-28 | 2011-04-28 | Ullerudåsen (Akershus, Norway) |
| Downy Birch (Betula pubescens) | | 2011-04-27 | 2011-04-19 | Ullerudåsen (Akershus, Norway) |
| Bumble-bee (Bombus sp.) | | 2011-04-27 | 2011-04-08 | Ullerudåsen (Akershus, Norway) |
| Pied Flycatcher (Ficedula hypoleuca) | | 2011-04-27 | 2011-04-27 | Ullerudåsen (Akershus, Norway) |
| White Wagtail (Motacilla alba) | | 2011-04-27 | 2011-04-23 | Ullerudåsen (Akershus, Norway) |
| Brimstone (Gonepteryx rhamni) | | 2011-04-06 | 2011-04-06 | Ullerudåsen (Akershus, Norway) |
| Brambling (Fringilla montifringilla) | | 2011-04-04 | 2011-04-04 | Ullerudåsen (Akershus, Norway) |
| Eurasian Siskin (Carduelis spinus) | | 2011-04-04 | 2011-04-02 | Ullerudåsen (Akershus, Norway) |
| Common Blackbird (Turdus merula) | | 2011-03-30 | 2011-03-23 | Ullerudåsen (Akershus, Norway) |
| Robin (Erithacus rubecula) | | 2011-03-30 | 2011-03-30 | Ullerudåsen (Akershus, Norway) |
| European Goldfinch (Carduelis carduelis) | | 2011-03-30 | 2011-03-23 | Ullerudåsen (Akershus, Norway) |
| Chaffinch (Fringilla coelebs) | | 2011-03-30 | 2011-03-23 | Ullerudåsen (Akershus, Norway) |
| Wood Pigeon (Columba palumbus) | | 2011-03-30 | 2011-03-23 | Ullerudåsen (Akershus, Norway) |
Sustain.no is provided by the Norwegian Centre for Science Education