| Willow Warbler (Phylloscopus trochilus) | | 2019-04-21 | 2019-04-20 | Hengsrudveien 664 (Vestfold, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2019-04-19 | 2019-04-18 | Kolbu Kirke - Narumflata - Hubred (Innlandet, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2019-04-19 | 2019-04-18 | Kolbu Kirke - Narumflata - Hubred (Innlandet, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2019-04-11 | 2019-04-10 | Bjørkelangen (Akershus, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2019-04-06 | 2019-04-06 | Solberg i Asker (Akershus, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2019-03-23 | 2019-03-22 | Skauskrokveien 26 (Østfold, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-09-16 | 2018-09-16 | Engbakken 13 (Nordland, Norway) |  |
| Willow Warbler (Phylloscopus trochilus) | | 2018-06-18 | 2018-06-15 | Laudal (Agder, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-06-15 | 2018-06-15 | Burfjord Hage (Troms, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-06-13 | 2018-05-11 | Myra Bjørkeåsen (Akershus, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-05-25 | 2018-04-15 | Låte (Vestland, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-05-25 | 2018-05-25 | Kjeldevatnet (Vestland, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-05-22 | 2018-05-16 | Baksalen (Finnmark, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-05-15 | 2018-05-15 | Vestre Jakobselv (Finnmark, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-05-14 | 2018-05-14 | Halsa-Holandsfjorden (Nordland, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-05-14 | 2018-05-13 | Skjelset (Innlandet, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-05-12 | 2018-05-11 | Rå (Troms, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-05-12 | 2018-05-11 | Rå (Troms, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-05-10 | 2018-05-09 | Kolbu Kirke - Narumflata - Hubred (Innlandet, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-05-09 | 2018-05-09 | Kjeldevatnet (Vestland, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-05-06 | 2018-05-06 | Lovund (Nordland, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-05-06 | 2018-05-06 | Sjøholt (Møre og Romsdal, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-05-06 | 2018-05-06 | Sjøholt (Møre og Romsdal, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-05-06 | 2018-05-05 | Vassmoen, Lauvøya (Trøndelag, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-05-06 | 2018-05-05 | Vassmoen, Lauvøya (Trøndelag, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-05-02 | 2018-05-01 | Straumfjord (Nordland, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-05-02 | 2018-05-01 | Sætermo (Nordland, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-04-29 | 2018-04-29 | Nes Verk rundt (Agder, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-04-29 | 2018-04-28 | Strai (Agder, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-04-29 | 2018-04-28 | Strai (Agder, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-04-29 | 2018-04-27 | Sildpollen (Nordland, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-04-27 | 2018-04-27 | Konnerud (Buskerud, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-04-26 | 2018-04-25 | Fagervika (Nordland, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-04-25 | 2018-04-24 | Seljestad (Troms, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-04-24 | 2018-04-24 | Bjørkelangen (Akershus, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-04-22 | 2018-04-22 | Trean (Agder, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-04-21 | 2018-04-19 | Vestenga (Buskerud, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-04-19 | 2018-04-19 | Russelv (Troms, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2018-04-18 | 2018-04-18 | Vadanesset 1 (Trøndelag, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-10-13 | 2017-06-05 | Vestre Jakobselv (Finnmark, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-10-04 | 2017-10-04 | Bjorli Oppland (Innlandet, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-09-18 | 2017-09-15 | Øster-Hallem 30 (Trøndelag, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-09-02 | 2017-08-31 | Myra Bjørkeåsen (Akershus, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-08-22 | 2017-08-20 | Utistua Strand, 6652 Surna (Møre og Romsdal, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-07-29 | 2017-07-28 | Grefsen alle 22 (Oslo, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-07-04 | 2017-06-26 | Myra Bjørkeåsen (Akershus, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-06-25 | 2017-06-20 | Røsnes, Kaldfjord, Kvaløya (Troms, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-06-06 | 2017-05-26 | Svanhovd (Finnmark, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-06-05 | 2017-06-02 | Tønsnes (Troms, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-06-02 | 2017-06-02 | Nordmarka (Troms, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education