| House Martin (Delichon urbicum) | | 2007-04-22 | 2007-04-20 | Kalandsvika (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2007-04-22 | 2007-04-17 | Langmo i Markabygda (Trøndelag, Norway) |
| Barn Swallow (Hirundo rustica) | | 2007-04-22 | 2007-04-18 | Kalandsvika (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2007-04-20 | 2007-04-15 | Tjeldstø (Vestland, Norway) |
| Sand Martin (Riparia riparia) | | 2007-04-20 | 2007-04-15 | Hallaråker (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2007-04-20 | 2007-04-15 | Haugo (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2007-04-15 | 2007-04-15 | Røvær (Rogaland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2007-04-15 | 2007-04-14 | halland (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2007-04-14 | 2007-04-13 | Hallaråker (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2007-04-14 | 2007-04-13 | Gåsland (Vestland, Norway) |
| Sand Martin (Riparia riparia) | | 2007-04-07 | 2007-04-06 | Kalandsvika (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2006-06-01 | 2006-05-05 | Lines (Trøndelag, Norway) |
| Svalefamilien (Hirundinidae indet.) | | 2006-05-26 | 2006-05-18 | Grindal (Trøndelag, Norway) |
| House Martin (Delichon urbicum) | | 2006-05-15 | 2006-05-15 | Eidfjord (Vestland, Norway) |
| House Martin (Delichon urbicum) | | 2006-05-12 | 2006-05-10 | Vatna (Vestland, Norway) |
| House Martin (Delichon urbicum) | | 2006-05-12 | 2006-05-10 | Kalandsvannet (Vestland, Norway) |
| House Martin (Delichon urbicum) | | 2006-05-11 | 2006-05-07 | Tælavåg (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2006-05-10 | 2006-05-09 | Holmavatnet (Vestland, Norway) |
| House Martin (Delichon urbicum) | | 2006-05-09 | 2006-05-06 | Samdalen (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2006-05-09 | 2006-05-06 | Garen (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2006-05-09 | 2006-05-06 | Øvre Eidfjord (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2006-05-05 | 2006-05-04 | Fossevatna naturreservat (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2006-05-05 | 2006-05-04 | Fossevatna naturreservat (Vestland, Norway) |
| House Martin (Delichon urbicum) | | 2006-05-05 | 2006-05-04 | Fossevatna naturreservat (Vestland, Norway) |
| Sand Martin (Riparia riparia) | | 2006-05-02 | 2006-05-01 | Herdla (Vestland, Norway) |
| House Martin (Delichon urbicum) | | 2006-05-02 | 2006-04-26 | Nesttun (Vestland, Norway) |
| House Martin (Delichon urbicum) | | 2006-05-02 | 2006-04-27 | Prestegardsmoen (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2006-04-30 | 2006-04-28 | Eknes (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2006-04-29 | 2006-04-28 | Sandvin (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2006-04-29 | 2006-04-26 | Herdla (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2006-04-29 | 2006-04-21 | Prestegardsmoen (Vestland, Norway) |
| Sand Martin (Riparia riparia) | | 2006-04-28 | 2006-04-26 | Sævarhagsvikjo (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2006-04-28 | 2006-04-26 | Sævarhagsvikjo (Vestland, Norway) |
| House Martin (Delichon urbicum) | | 2006-04-28 | 2006-04-26 | Straume (Vestland, Norway) |
| House Martin (Delichon urbicum) | | 2006-04-28 | 2006-04-26 | Tjeldstø (Vestland, Norway) |
| Sand Martin (Riparia riparia) | | 2006-04-28 | 2006-04-26 | Prestegardsmoen (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2006-04-26 | 2006-04-24 | Tjeldstø (Vestland, Norway) |
| Sand Martin (Riparia riparia) | | 2006-04-24 | 2006-04-23 | Tjeldstø (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2006-04-24 | 2006-04-23 | Tjeldstø (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2006-04-24 | 2006-04-23 | Hallaråker (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2006-04-24 | 2006-04-23 | Voss (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2006-04-23 | 2006-04-22 | Nesttun (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2006-04-23 | 2006-04-22 | Flesland (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2006-04-21 | 2006-04-18 | Ulvenvatnet (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2006-04-21 | 2006-04-20 | Innvær (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2006-04-18 | 2006-04-18 | Alversund (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2006-04-08 | 2006-04-04 | Gåsland (Vestland, Norway) |
| Barn Swallow (Hirundo rustica) | | 2005-11-01 | 2005-05-07 | Rogne (Innlandet, Norway) |
| Barn Swallow (Hirundo rustica) | | 2005-10-25 | 2005-04-20 | Rogne (Innlandet, Norway) |
| Barn Swallow (Hirundo rustica) | | 2005-05-23 | 2005-05-08 | Lines (Trøndelag, Norway) |
Sustain.no is provided by the Norwegian Centre for Science Education