| Willow Warbler (Phylloscopus trochilus) | | 2017-06-02 | 2017-06-02 | | Nordmarka (Troms, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-05-30 | 2016-05-23 | | Tønsnes (Troms, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-05-29 | 2017-05-24 | | Skaidi Kvalsund kommune (Finnmark, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-05-24 | 2017-05-24 | | Kinabyen, Brumunddal (Innlandet, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-05-23 | 2017-05-15 | | Flostrand (Nordland, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-05-16 | 2017-05-16 | | Tårnbyveien Nord Borettslag (Akershus, Norway) |  |
| Willow Warbler (Phylloscopus trochilus) | | 2017-05-13 | 2017-05-13 | | Davik Ytre, Elverhøi (Vestland, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-05-13 | 2017-05-13 | | Skjelset (Innlandet, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-05-11 | 2017-05-11 | | Davik Ytre, Elverhøi (Vestland, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-05-09 | 2017-05-08 | | Vassmoen, Lauvøya (Trøndelag, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-05-09 | 2017-05-08 | | Vassmoen, Lauvøya (Trøndelag, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-05-06 | 2017-05-06 | | Vaksvik (Møre og Romsdal, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-05-06 | 2017-05-06 | | Vaksvik (Møre og Romsdal, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-05-03 | 2017-05-01 | | Frakkagjerd (Rogaland, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-05-02 | 2017-05-01 | | Nes Verk rundt (Agder, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-05-01 | 2017-04-30 | | Kolbu Kirke - Narumflata - Hubred (Innlandet, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-05-01 | 2017-04-30 | | Kolbu Kirke - Narumflata - Hubred (Innlandet, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-05-01 | 2017-04-25 | | Sagjordet (Agder, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-05-01 | 2017-04-29 | | Grefsen alle 22 (Oslo, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-04-18 | 2017-04-10 | | Sagjordet (Agder, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-04-16 | 2017-04-15 | | Lærdalsøyri (Vestland, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-04-05 | 2017-04-05 | | Nesbru (Akershus, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2017-01-06 | 2013-08-30 |  | Manum (Vestfold, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-10-16 | 2016-10-15 | | Tårnvik (Nordland, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-09-16 | 2016-09-16 | | Konnerud (Buskerud, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-09-15 | 2016-09-14 | | jonstøllie (Buskerud, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-09-15 | 2016-08-04 | | jonstøllie (Buskerud, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-07-14 | 2016-07-11 | | Volbuvegen 151 (Innlandet, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-06-02 | 2016-06-01 | | Myra Bjørkeåsen (Akershus, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-06-01 | 2016-05-11 | | Ustaoset (Buskerud, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-06-01 | 2016-05-31 | | Myra Bjørkeåsen (Akershus, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-05-26 | 2016-05-23 | | Vestre Jakobselv (Finnmark, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-05-25 | 2016-05-17 | | Volbuvegen 151 (Innlandet, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-05-23 | 2016-05-23 | | Folkeparken (Troms, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-05-19 | 2016-05-18 | | Halsa-Holandsfjorden (Nordland, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-05-16 | 2016-05-15 | | Gramstølen (Vestland, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-05-16 | 2016-05-07 | | Svanhovd (Finnmark, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-05-15 | 2016-05-15 | | Gramstølen (Vestland, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-05-15 | 2016-05-15 | | Gramstølen (Vestland, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-05-12 | 2016-05-07 | | Davik Ytre, Elverhøi (Vestland, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-05-09 | 2016-05-08 | | Trollheimen (Trøndelag, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-05-08 | 2016-05-04 | | Skaidi Kvalsund kommune (Finnmark, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-05-08 | 2016-05-08 | | Skjelset (Innlandet, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-05-07 | 2016-05-07 | | Ytre Hamre (Vestland, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-05-06 | 2016-05-04 | | Myra Bjørkeåsen (Akershus, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-05-05 | 2016-05-05 | | Valle (Møre og Romsdal, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-05-05 | 2016-05-05 | | Valle (Møre og Romsdal, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-05-04 | 2016-05-03 | | Sætermo (Nordland, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-05-04 | 2016-05-03 | | Skaret (Vestland, Norway) | |
| Willow Warbler (Phylloscopus trochilus) | | 2016-05-04 | 2016-05-03 | | Skaret (Vestland, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education