| Small-leaved Lime (Tilia cordata) | | 2022-09-14 | 2022-09-14 |  | Bjørlien skole (Akershus, Norway) |
| Goat Willow (Salix caprea) | | 2022-09-09 | 2022-09-09 | | Bjørlien skole (Akershus, Norway) |
| Oak (Quercus sp.) | | 2022-09-05 | 2022-09-05 | | Bjørlien skole (Akershus, Norway) |
| Scots Pine (Pinus sylvestris) | | 2022-09-05 | 2022-09-05 | | Bjørlien skole (Akershus, Norway) |
| Downy Birch (Betula pubescens) | | 2022-09-05 | 2022-09-05 | | Bjørlien skole (Akershus, Norway) |
| Downy Birch (Betula pubescens) | | 2022-09-01 | 2022-09-01 | | Bjørlien skole (Akershus, Norway) |
| Downy Birch (Betula pubescens) | | 2022-08-31 | 2022-08-31 | | Bjørlien skole (Akershus, Norway) |
| Scots Pine (Pinus sylvestris) | | 2022-08-31 | 2022-08-31 | | Bjørlien skole (Akershus, Norway) |
| Norway Spruce (Picea abies) | | 2022-08-31 | 2022-08-31 | | Bjørlien skole (Akershus, Norway) |
| Scots Pine (Pinus sylvestris) | | 2022-08-30 | 2022-08-30 | | Bjørlien skole (Akershus, Norway) |
| Scots Pine (Pinus sylvestris) | | 2022-08-30 | 2022-08-30 | | Bjørlien skole (Akershus, Norway) |
| Scots Pine (Pinus sylvestris) | | 2022-08-30 | 2022-08-30 | | Bjørlien skole (Akershus, Norway) |
| Small-leaved Lime (Tilia cordata) | | 2022-08-29 | 2022-08-29 | | Bjørlien skole (Akershus, Norway) |
| Small-leaved Lime (Tilia cordata) | | 2022-08-29 | 2022-08-29 | | Bjørlien skole (Akershus, Norway) |
| Small-leaved Lime (Tilia cordata) | | 2022-08-29 | 2022-08-29 | | Bjørlien skole (Akershus, Norway) |
| Small-leaved Lime (Tilia cordata) | | 2022-08-29 | 2022-08-29 | | Bjørlien skole (Akershus, Norway) |
| Norway Spruce (Picea abies) | | 2022-08-29 | 2022-08-29 | | Bjørlien skole (Akershus, Norway) |
| Norway Spruce (Picea abies) | | 2022-08-29 | 2022-08-29 | | Bjørlien skole (Akershus, Norway) |
| Norway Spruce (Picea abies) | | 2022-08-29 | 2022-08-29 | | Bjørlien skole (Akershus, Norway) |
| Norway Spruce (Picea abies) | | 2022-08-29 | 2022-08-29 | | Bjørlien skole (Akershus, Norway) |
| Maple (Acer sp.) | | 2022-08-25 | 2022-08-25 | | Bjørlien skole (Akershus, Norway) |
| Downy Birch (Betula pubescens) | | 2022-08-25 | 2022-08-25 | | Bjørlien skole (Akershus, Norway) |
| Great Tit (Parus major) | | 2021-06-16 | 2021-05-26 | | Bjørlien skole (Akershus, Norway) |
| Great Tit (Parus major) | | 2021-06-11 | 2021-05-28 | | Bjørlien skole (Akershus, Norway) |
| Great Tit (Parus major) | | 2021-06-11 | 2021-05-20 | | Bjørlien skole (Akershus, Norway) |
Sustain.no is provided by the Norwegian Centre for Science Education