| White Wagtail (Motacilla alba) | | 2024-04-17 | 2024-04-10 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Wood Anemone (Anemone nemorosa) | | 2024-04-17 | 2024-04-15 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Colt's-foot (Tussilago farfara) | | 2024-04-08 | 2024-04-01 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Grey Heron (Ardea cinerea) | | 2024-04-08 | 2024-03-27 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Greylag Goose (Anser anser) | | 2024-04-08 | 2024-03-18 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Whooper Swan (Cygnus cygnus) | | 2024-04-08 | 2024-03-18 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2024-04-08 | 2024-03-28 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Goat Willow (Salix caprea) | | 2024-03-08 | 2024-03-01 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Skylark (Alauda arvensis) | | 2024-03-08 | 2024-03-07 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2024-01-27 | 2024-01-27 | | Søndre Hekseberg, Frogner (Akershus, Norway) |  |
| Nuthatch (Sitta europaea) | | 2024-01-27 | 2024-01-27 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Black-billed Magpie (Pica pica) | | 2024-01-27 | 2024-01-27 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Great Tit (Parus major) | | 2024-01-27 | 2024-01-27 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2024-01-27 | 2024-01-27 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Willow Tit (Poecile montanus) | | 2024-01-27 | 2024-01-27 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Eurasian Red Squirrel (Sciurus vulgaris) | | 2024-01-27 | 2024-01-27 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2024-01-27 | 2024-01-27 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Spotted Flycatcher (Muscicapa striata) | | 2019-06-24 | 2019-06-24 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Spotted Flycatcher (Muscicapa striata) | | 2019-06-12 | 2019-06-10 |  | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Liverleaf (Blue anemone) (Hepatica nobilis) | | 2019-04-25 | 2019-04-15 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| White Wagtail (Motacilla alba) | | 2019-04-25 | 2019-04-13 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Hawfinch (Coccothraustes coccothraustes) | | 2019-04-25 | 2019-04-25 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Wood Anemone (Anemone nemorosa) | | 2019-04-25 | 2019-04-20 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Bumble-bee (Bombus sp.) | | 2019-04-25 | 2019-04-13 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Downy Birch (Betula pubescens) | | 2019-04-25 | 2019-04-23 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Colt's-foot (Tussilago farfara) | | 2019-03-22 | 2019-03-21 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Goat Willow (Salix caprea) | | 2019-03-22 | 2019-03-20 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2019-03-22 | 2019-03-17 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Common Blackbird (Turdus merula) | | 2019-02-25 | 2019-02-25 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Grey Heron (Ardea cinerea) | | 2019-02-21 | 2019-02-21 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Long-tailed Tit (Aegithalos caudatus) | | 2019-02-19 | 2019-02-19 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| European Goldfinch (Carduelis carduelis) | | 2019-02-19 | 2019-02-19 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Black-billed Magpie (Pica pica) | | 2019-02-01 | 2019-01-25 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Robin (Erithacus rubecula) | | 2019-02-01 | 2019-01-25 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2019-02-01 | 2019-01-25 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Great Tit (Parus major) | | 2019-02-01 | 2019-01-25 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Yellowhammer (Emberiza citrinella) | | 2019-02-01 | 2019-01-25 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| House Sparrow (Passer domesticus) | | 2019-02-01 | 2019-01-25 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Mealy Redpoll (Carduelis flammea) | | 2019-02-01 | 2019-01-25 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2019-02-01 | 2019-01-25 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Willow Tit (Poecile montanus) | | 2019-02-01 | 2019-01-25 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2019-02-01 | 2019-01-25 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2019-02-01 | 2019-01-25 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2019-02-01 | 2019-01-25 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Coal Tit (Periparus ater) | | 2019-02-01 | 2019-01-25 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Nuthatch (Sitta europaea) | | 2019-02-01 | 2019-01-25 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Snømus (Mustela nivalis) | | 2018-11-28 | 2018-11-28 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Great Grey Shrike (Lanius excubitor) | | 2018-09-26 | 2018-09-26 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Mealy Redpoll (Carduelis flammea) | | 2017-04-13 | 2017-04-06 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
| Brambling (Fringilla montifringilla) | | 2017-04-13 | 2017-04-03 | | Søndre Hekseberg, Frogner (Akershus, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education