Phenological observations
| All participants | » |
| Participant | Tree ID | Site | Species | Phenological stage | Date | ||
|---|---|---|---|---|---|---|---|
| Srednja škola Matije Antuna Reljkovića | Adam Hron 6CXV+PW Adžamovci | Srednja škola Matije Antuna Reljkovića (Brod-Posavina county, Croatia) | Oak |  | Buds burst on the tree | 18.02.2021 |  |
| Hellerud videregående skole | Aesculus | Hellerud videregående skole (Oslo, Norway) | Horse-chestnut |  | Leaves starting to fall | 25.10.2021 | |
| Srednja škola Matije Antuna Reljkovića | Andrija Kordić Birch | Srednja škola Matije Antuna Reljkovića (Brod-Posavina county, Croatia) | Birch | | Buds burst on the tree | 23.02.2021 | |
| Srednja škola Matije Antuna Reljkovića | Bruno Zorić Oak | Srednja škola Matije Antuna Reljkovića (Brod-Posavina county, Croatia) | Oak | | Buds burst on the tree | 03.03.2021 | |
| Hellerud videregående skole | Quercus spp | Hellerud videregående skole (Oslo, Norway) | Oak | | Leaves starting to fall | 06.09.2021 | |
| Hellerud videregående skole | Quercus spp | Hellerud videregående skole (Oslo, Norway) | Oak | | Leaves starting to fall | 06.09.2021 | |
| Srednja škola Matije Antuna Reljkovića | Stefan Živković Common Beech | Srednja škola Matije Antuna Reljkovića (Brod-Posavina county, Croatia) | Common Beech | | Buds burst on the tree | 26.02.2021 | |
| Srednja škola Matije Antuna Reljkovića | Zvonko Crnac Oak | Srednja škola Matije Antuna Reljkovića (Brod-Posavina county, Croatia) | Oak | | Buds burst on the tree | 03.03.2021 | |
| Arne Kjell Askeland | Frakkagjerd (Rogaland, Norway) | Mute Swan | Arrival | 01.01.2021 | |||
| Arne Kjell Askeland | Frakkagjerd (Rogaland, Norway) | Common Goldeneye | Arrival | 01.01.2021 | |||
| Arne Kjell Askeland | Frakkagjerd (Rogaland, Norway) | Tufted Duck | Arrival | 01.01.2021 | |||
| Arne Kjell Askeland | Frakkagjerd (Rogaland, Norway) | Eurasian Teal | Arrival | 07.01.2021 | |||
| Arne Kjell Askeland | Frakkagjerddalen (Rogaland, Norway) | Golden Eagle | Arrival | 09.01.2021 | |||
| Arne Kjell Askeland | Frakkagjerd (Rogaland, Norway) | Aspen | Flowering | 09.01.2021 | |||
| Per Torgersen | Bjørkelangen (Viken, Norway) | Eurasian Tree Sparrow | Arrival | 08.01.2021 | |||
| Per Torgersen | Bjørkelangen (Viken, Norway) | House Sparrow | Arrival | 09.01.2021 | |||
| Per Torgersen | Bjørkelangen (Viken, Norway) | Common Raven | Arrival | 24.01.2021 | |||
| Gunvor Hustoft | Hustoft gnr. 150/4 (Rogaland, Norway) | Kusymre | Flowering | 24.01.2021 | |||
| Nils Battin | Nes Verk rundt (Agder, Norway) | Great Tit | Birds are singing | 27.01.2021 | |||
| Anne Hestness Trommestad | Broneset (Agder, Norway) | Blue Tit | Egg laying | 03.04.2020 |