| Skylark (Alauda arvensis) | | 2021-04-18 | 2021-04-17 | | Bjørkelangen (Akershus, Norway) | |
| Skylark (Alauda arvensis) | | 2021-04-18 | 2021-04-17 | | Bjørkelangen (Akershus, Norway) | |
| Skylark (Alauda arvensis) | | 2021-04-12 | 2021-04-12 | | Rakkestad, Kirkeby (Østfold, Norway) | |
| Skylark (Alauda arvensis) | | 2021-04-02 | 2021-04-01 | | Skinstad (Innlandet, Norway) | |
| Skylark (Alauda arvensis) | | 2021-04-02 | 2021-04-01 | | Skinstad (Innlandet, Norway) | |
| Skylark (Alauda arvensis) | | 2021-03-28 | 2021-03-28 | | Gardløs (Innlandet, Norway) | |
| Skylark (Alauda arvensis) | | 2021-03-28 | 2021-03-28 | | Gardløs (Innlandet, Norway) | |
| Skylark (Alauda arvensis) | | 2021-03-25 | 2021-03-25 | | Rollag Boligfelt (Buskerud, Norway) | |
| Skylark (Alauda arvensis) | | 2021-03-23 | 2021-03-23 | | Kinabyen, Brumunddal (Innlandet, Norway) | |
| Skylark (Alauda arvensis) | | 2021-03-23 | 2021-03-23 | | Kinabyen, Brumunddal (Innlandet, Norway) | |
| Skylark (Alauda arvensis) | | 2021-03-13 | 2021-03-13 | | Sandnes søndre (Vestfold, Norway) | |
| Skylark (Alauda arvensis) | | 2021-03-13 | 2021-03-13 | | Sandnes søndre (Vestfold, Norway) | |
| Skylark (Alauda arvensis) | | 2021-03-08 | 2021-03-05 | | Søråsveien (Akershus, Norway) | |
| Skylark (Alauda arvensis) | | 2021-03-08 | 2021-03-05 | | Søråsveien (Akershus, Norway) | |
| Skylark (Alauda arvensis) | | 2021-03-01 | 2021-03-01 | | Søndre Bakke (Vestfold, Norway) | |
| Skylark (Alauda arvensis) | | 2021-03-01 | 2021-02-28 | | Ulvestigen (Akershus, Norway) | |
| Skylark (Alauda arvensis) | | 2021-03-01 | 2021-02-28 | | Ulvestigen (Akershus, Norway) | |
| Horned Lark (Eremophila alpestris) | | 2021-02-08 | 2021-01-26 | | Erdal (Vestland, Norway) | |
| Skylark (Alauda arvensis) | | 2021-01-31 | 2021-01-25 |  | Bjelland - Knarrevegen (Vestland, Norway) |  |
| Skylark (Alauda arvensis) | | 2020-05-10 | 2020-05-10 | | Rollag Boligfelt (Buskerud, Norway) | |
| Skylark (Alauda arvensis) | | 2020-04-19 | 2020-04-19 | | Bjørkelangen (Akershus, Norway) | |
| Skylark (Alauda arvensis) | | 2020-04-19 | 2020-04-19 | | Bjørkelangen (Akershus, Norway) | |
| Skylark (Alauda arvensis) | | 2020-04-02 | 2020-04-02 | | Veikant Aune-Skiftkrokan (Trøndelag, Norway) | |
| Skylark (Alauda arvensis) | | 2020-03-24 | 2020-03-14 | | Kinabyen, Brumunddal (Innlandet, Norway) | |
| Skylark (Alauda arvensis) | | 2020-03-24 | 2020-03-14 | | Kinabyen, Brumunddal (Innlandet, Norway) | |
| Skylark (Alauda arvensis) | | 2020-03-15 | 2020-03-14 | | Kinabyen, Brumunddal (Innlandet, Norway) | |
| Skylark (Alauda arvensis) | | 2020-03-06 | 2020-03-05 | | Sandnes søndre (Vestfold, Norway) | |
| Skylark (Alauda arvensis) | | 2020-03-06 | 2020-03-06 | | Rakkestad, ved Kopla (Østfold, Norway) | |
| Skylark (Alauda arvensis) | | 2020-03-05 | 2020-03-05 | | Herumveien 33, Ås (Akershus, Norway) | |
| Skylark (Alauda arvensis) | | 2019-05-09 | 2019-03-23 | | Herrefosserveien 573 (Østfold, Norway) | |
| Skylark (Alauda arvensis) | | 2019-04-17 | 2019-04-17 | | Bjørkelangen (Akershus, Norway) | |
| Skylark (Alauda arvensis) | | 2019-04-15 | 2019-03-31 | | Bakke (Vestfold, Norway) | |
| Skylark (Alauda arvensis) | | 2019-03-31 | 2019-03-31 | | Hustoft gnr. 150/4 (Rogaland, Norway) | |
| Skylark (Alauda arvensis) | | 2019-03-30 | 2019-03-21 | | Undrumsdal (Vestfold, Norway) | |
| Skylark (Alauda arvensis) | | 2019-03-30 | 2019-03-21 | | Undrumsdal (Vestfold, Norway) | |
| Skylark (Alauda arvensis) | | 2019-03-21 | 2019-03-20 | | Hengsrudveien 664 (Vestfold, Norway) | |
| Skylark (Alauda arvensis) | | 2019-03-21 | 2019-03-21 | | Hengsrudveien 664 (Vestfold, Norway) | |
| Skylark (Alauda arvensis) | | 2019-03-19 | 2019-03-19 | | Herumveien 33, Ås (Akershus, Norway) | |
| Skylark (Alauda arvensis) | | 2019-03-12 | 2019-03-12 | | Sandnes søndre (Vestfold, Norway) | |
| Skylark (Alauda arvensis) | | 2019-02-15 | 2019-02-04 | | Fossan Øst (Vestfold, Norway) | |
| Skylark (Alauda arvensis) | | 2019-02-15 | 2019-02-04 | | Fossan Øst (Vestfold, Norway) | |
| Skylark (Alauda arvensis) | | 2019-01-27 | 2019-01-20 | | Røkeberg, Vestfossen (Buskerud, Norway) | |
| Horned Lark (Eremophila alpestris) | | 2018-05-21 | 2018-05-20 | | Nordre Vartdal (Møre og Romsdal, Norway) | |
| Skylark (Alauda arvensis) | | 2018-05-10 | 2018-05-09 | | Kolbu Kirke - Narumflata - Hubred (Innlandet, Norway) | |
| Skylark (Alauda arvensis) | | 2018-05-01 | 2018-04-14 | | Kinabyen, Brumunddal (Innlandet, Norway) | |
| Skylark (Alauda arvensis) | | 2018-04-15 | 2018-04-12 | | Rakke (Vestfold, Norway) | |
| Skylark (Alauda arvensis) | | 2018-04-12 | 2018-04-10 | | Blåkollen (Akershus, Norway) | |
| Skylark (Alauda arvensis) | | 2018-03-28 | 2018-03-22 | | Guslandstrand (Vestfold, Norway) | |
| Skylark (Alauda arvensis) | | 2018-03-24 | 2018-03-24 | | Sandnes søndre (Vestfold, Norway) | |
| Skylark (Alauda arvensis) | | 2018-02-03 | 2018-02-03 | | Gamle Ålgårdsveien 144 (Rogaland, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education