Lokaliteter: Bjørkelangen: 29.05.2021
| Rapportør: | Per Torgersen |
| Observatører: | Per Torgersen |
| Område: | Bjørkelangen () |
| Dato: | 2021-05-29 |
| Aktivitet: | Spring phenology |
Funn
| Art: | Common Cuckoo (Cuculus canorus) | |
| Phenophase: | Arrival | 28.05.2021 |
| Art: | Common Cuckoo (Cuculus canorus) | |
| Phenophase: | Birds are singing | 28.05.2021 |
| Art: | Garden Warbler (Sylvia borin) | |
| Phenophase: | Arrival | 28.05.2021 |
| Art: | Garden Warbler (Sylvia borin) | |
| Phenophase: | Birds are singing | 28.05.2021 |