| Common Blackbird (Turdus merula) | | 2001-06-25 | 2001-04-03 | Grenland (Telemark, Norway) |
| Passerines (Passeriformes indet.) | | 2001-06-24 | 2001-05-15 | Rogne (Innlandet, Norway) |
| Chaffinch (Fringilla coelebs) | | 2001-06-24 | 2001-04-11 | Rogne (Innlandet, Norway) |
| Fieldfare (Turdus pilaris) | | 2001-06-24 | 2001-05-05 | Rogne (Innlandet, Norway) |
| Common Blackbird (Turdus merula) | | 2001-06-24 | 2001-05-05 | Rogne (Innlandet, Norway) |
| Fieldfare (Turdus pilaris) | | 2001-06-24 | 2001-05-05 | Rogne (Innlandet, Norway) |
| White Wagtail (Motacilla alba) | | 2001-06-24 | 2001-04-10 | Rogne (Innlandet, Norway) |
| Common Blackbird (Turdus merula) | | 2001-06-24 | 2001-05-05 | Rogne (Innlandet, Norway) |
| Chaffinch (Fringilla coelebs) | | 2001-06-24 | 2001-04-11 | Rogne (Innlandet, Norway) |
| White Wagtail (Motacilla alba) | | 2001-06-21 | 2001-04-22 | Folldal (Innlandet, Norway) |
| White Wagtail (Motacilla alba) | | 2001-06-11 | 2001-04-28 | Skolegården, Halsen skole (Trøndelag, Norway) |
| White Wagtail (Motacilla alba) | | 2001-06-19 | 2001-05-02 | Straumsnes (Nordland, Norway) |
| White Wagtail (Motacilla alba) | | 2001-06-14 | 2001-04-29 | Blokknummer 80 (Møre og Romsdal, Norway) |
| White Wagtail (Motacilla alba) | | 2001-05-18 | 2001-04-21 | Lines (Trøndelag, Norway) |
| White Wagtail (Motacilla alba) | | 2001-05-18 | 2001-04-03 | Grenland (Telemark, Norway) |
| Passerines (Passeriformes indet.) | | 2001-05-31 | 2001-05-30 | Granholmen (Vestfold, Norway) |
| Hooded Crow (Corvus cornix) | | 2001-05-31 | 2001-05-30 | Granholmen (Vestfold, Norway) |
| White Wagtail (Motacilla alba) | | 2001-06-05 | 2001-04-15 | Duken (Vestfold, Norway) |
| Ring Ouzel (Turdus torquatus) | | 2001-05-01 | 2001-04-28 | Sandbekklia (Innlandet, Norway) |
| White Wagtail (Motacilla alba) | | 2001-05-25 | 2001-04-18 | Tønsberg sentrum (Vestfold, Norway) |
| White Wagtail (Motacilla alba) | | 2001-05-25 | 2001-04-18 | Tønsberg sentrum (Vestfold, Norway) |
| White Wagtail (Motacilla alba) | | 2001-05-25 | 2001-04-21 | Tønsberg sentrum (Vestfold, Norway) |
| White Wagtail (Motacilla alba) | | 2001-05-23 | 2001-05-16 | Kongsfjord (Finnmark, Norway) |
| White Wagtail (Motacilla alba) | | 2001-05-23 | 2001-04-17 | Skafså (Telemark, Norway) |
| White Wagtail (Motacilla alba) | | 2001-05-18 | 2001-04-23 | Sætersbø (Telemark, Norway) |
| Pied Flycatcher (Ficedula hypoleuca) | | 2001-05-01 | 2001-05-08 | Sandbekklia (Innlandet, Norway) |
| European Starling (Sturnus vulgaris) | | 2001-05-01 | 2001-05-06 | Sandbekklia (Innlandet, Norway) |
| White Wagtail (Motacilla alba) | | 2001-05-16 | 2001-04-17 | Pindsleåsen (Vestfold, Norway) |
| White Wagtail (Motacilla alba) | | 2001-05-15 | 2001-05-02 | Leknes (Trøndelag, Norway) |
| Chaffinch (Fringilla coelebs) | | 2001-04-22 | 2001-04-01 | Eikeland (Agder, Norway) |
| Common Blackbird (Turdus merula) | | 2001-04-22 | 2001-04-01 | Eikeland (Agder, Norway) |
| Fieldfare (Turdus pilaris) | | 2001-04-22 | 2001-04-25 | Eikeland (Agder, Norway) |
| Pied Flycatcher (Ficedula hypoleuca) | | 2001-04-22 | 2001-04-23 | Eikeland (Agder, Norway) |
| European Starling (Sturnus vulgaris) | | 2001-04-22 | 2001-04-15 | Eikeland (Agder, Norway) |
| White Wagtail (Motacilla alba) | | 2001-05-14 | 2001-04-09 | Meling (Vestland, Norway) |
| White Wagtail (Motacilla alba) | | 2001-05-13 | 2001-05-06 | Brårud skole (Akershus, Norway) |
| Chaffinch (Fringilla coelebs) | | 2001-04-19 | 2001-05-02 | Gudvangen (Vestland, Norway) |
| European Starling (Sturnus vulgaris) | | 2001-04-19 | 2001-04-15 | Gudvangen (Vestland, Norway) |
| Pied Flycatcher (Ficedula hypoleuca) | | 2001-04-19 | 2001-05-02 | Gudvangen (Vestland, Norway) |
| Fieldfare (Turdus pilaris) | | 2001-04-19 | 2001-04-10 | Gudvangen (Vestland, Norway) |
| Common Blackbird (Turdus merula) | | 2001-04-19 | 2001-02-20 | Gudvangen (Vestland, Norway) |
| White Wagtail (Motacilla alba) | | 2001-04-19 | 2001-04-18 | Gudvangen (Vestland, Norway) |
| White Wagtail (Motacilla alba) | | 2001-05-11 | 2001-04-13 | Bryne (Rogaland, Norway) |
| White Wagtail (Motacilla alba) | | 2001-05-10 | 2001-04-27 | Skulebakken (Innlandet, Norway) |
| White Wagtail (Motacilla alba) | | 2001-05-10 | 2001-04-20 | Tønsberg sentrum (Vestfold, Norway) |
| White Wagtail (Motacilla alba) | | 2001-05-10 | 2001-04-13 | Bryne (Rogaland, Norway) |
| White Wagtail (Motacilla alba) | | 2001-05-10 | 2001-04-13 | Bryne (Rogaland, Norway) |
| White Wagtail (Motacilla alba) | | 2001-05-09 | 2001-04-23 | Lyshovden skole (Vestland, Norway) |
| White Wagtail (Motacilla alba) | | 2001-05-09 | 2001-04-22 | Græslidammen (Trøndelag, Norway) |
| White Wagtail (Motacilla alba) | | 2001-05-09 | 2001-04-27 | Nedre Bardu (Troms, Norway) |
Sustain.no is provided by the Norwegian Centre for Science Education