| Chiffchaff (Phylloscopus collybita) | | 2020-04-19 | 2020-04-18 | | Ytre Hamre (Vestland, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2020-04-13 | 2020-04-13 | | Nes Verk rundt (Agder, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2020-04-12 | 2020-04-12 | | Aasmund Vinjesgt 17 (Agder, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2020-04-12 | 2020-04-12 | | Aasmund Vinjesgt 17 (Agder, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2020-04-11 | 2020-04-10 | | Frakkagjerd (Rogaland, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2020-04-11 | 2020-04-10 | | Frakkagjerd (Rogaland, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2020-04-11 | 2020-04-11 |  | Rena og omegn (Innlandet, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2020-04-11 | 2020-04-11 | | Rena og omegn (Innlandet, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2020-04-11 | 2020-04-11 | | Rena og omegn (Innlandet, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2020-04-11 | 2020-04-11 | | Rena og omegn (Innlandet, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2020-04-11 | 2020-04-10 | | Lappland (Innlandet, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2020-04-11 | 2020-04-10 | | Lappland (Innlandet, Norway) |  |
| Chiffchaff (Phylloscopus collybita) | | 2020-04-10 | 2020-04-06 | | Myragutua 23 (Akershus, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2020-04-10 | 2020-04-06 | | Myragutua 23 (Akershus, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-11-28 | 2019-04-16 | | Ruset (Møre og Romsdal, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-11-17 | 2019-10-20 | | Strand Tønsnes (Troms, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-10-27 | 2019-04-08 | | Skaarlistien (Rogaland, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-10-27 | 2019-04-01 | | Skaarlistien (Rogaland, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-10-27 | 2018-11-12 | | Skaarlistien (Rogaland, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-08-11 | 2019-08-02 | | Nordre Roven. (Akershus, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-06-21 | 2019-06-21 | | Burfjord Hage (Troms, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-05-31 | 2019-05-31 | | Symrevegen 7d (Møre og Romsdal, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-05-29 | 2019-05-29 | | Kjeldevatnet (Vestland, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-05-20 | 2019-04-24 | | Flostrand (Nordland, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-04-28 | 2019-04-22 | | Kinabyen, Brumunddal (Innlandet, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-04-28 | 2019-04-22 | | Kinabyen, Brumunddal (Innlandet, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-04-26 | 2019-04-26 | | Turområde, Konnerud,1-3 km fra min bolig (Buskerud, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-04-26 | 2019-04-26 | | Turområde, Konnerud,1-3 km fra min bolig (Buskerud, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-04-26 | 2019-04-26 | | Nordmarka (Troms, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-04-25 | 2019-04-25 | | Sætermo (Nordland, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-04-24 | 2019-04-23 | | Nyheim, ca 2,5 km syd av Ulvsvåg. (Nordland, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-04-23 | 2019-04-18 | | Roa Austsidevegen 1605 (Innlandet, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-04-23 | 2019-04-18 | | Roa Austsidevegen 1605 (Innlandet, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-04-22 | 2019-04-19 | | Hage, Spillum (Trøndelag, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-04-21 | 2019-04-20 | | Straumfjord (Nordland, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-04-18 | 2019-04-18 | | Vaksvik (Møre og Romsdal, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-04-18 | 2019-04-18 | | Vaksvik (Møre og Romsdal, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-04-13 | 2019-04-11 | | Ytre Hamre (Vestland, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-04-13 | 2019-04-11 | | Ytre Hamre (Vestland, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-04-11 | 2019-04-06 | | Frakkagjerd (Rogaland, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-04-11 | 2019-04-06 | | Frakkagjerd (Rogaland, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-04-10 | 2019-04-09 | | Åsen (Telemark, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-04-10 | 2019-04-09 | | Åsen (Telemark, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-04-05 | 2019-04-04 | | Nes Verk rundt (Agder, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2019-01-20 | 2018-04-09 | | Skaarlistien (Rogaland, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2018-08-05 | 2018-07-29 | | Myra Bjørkeåsen (Akershus, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2018-08-05 | 2018-07-26 | | Myra Bjørkeåsen (Akershus, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2018-07-25 | 2018-07-24 | | Myra Bjørkeåsen (Akershus, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2018-07-25 | 2018-07-23 | | Myra Bjørkeåsen (Akershus, Norway) | |
| Chiffchaff (Phylloscopus collybita) | | 2018-07-25 | 2018-07-19 | | Myra Bjørkeåsen (Akershus, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education