| Blue Tit (Cyanistes caeruleus) | | 2002-12-30 | 2002-06-11 | Oftenesbekken (Agder, Norway) | |
| Great Tit (Parus major) | | 2002-12-30 | 2002-06-11 | Oftenesbekken (Agder, Norway) | |
| Great Tit (Parus major) | | 2002-12-30 | 2002-06-11 | Oftenesbekken (Agder, Norway) | |
| Great Tit (Parus major) | | 2002-07-04 | 2002-05-10 | Skinnarvatnet (Agder, Norway) | |
| Great Tit (Parus major) | | 2002-06-14 | 2002-06-13 | Kjeldevatnet (Vestland, Norway) | |
| Great Tit (Parus major) | | 2002-06-05 | 2002-06-04 | Kjeldevatnet (Vestland, Norway) | |
| Great Tit (Parus major) | | 2002-06-05 | 2002-06-04 | Kjeldevatnet (Vestland, Norway) | |
| Great Tit (Parus major) | | 2002-06-05 | 2002-06-04 | Kjeldevatnet (Vestland, Norway) | |
| Great Tit (Parus major) | | 2002-06-05 | 2002-06-04 | Kjeldevatnet (Vestland, Norway) | |
| Great Tit (Parus major) | | 2002-06-04 | 2002-06-04 | Kjeldevatnet (Vestland, Norway) | |
| Great Tit (Parus major) | | 2002-06-03 | 2002-06-03 | Kjeldevatnet (Vestland, Norway) | |
| Great Tit (Parus major) | | 2002-05-28 | 2002-05-28 | Kjeldevatnet (Vestland, Norway) | |
| Great Tit (Parus major) | | 2002-05-21 | 2002-05-21 | Kjeldevatnet (Vestland, Norway) | |
| Willow Tit (Poecile montanus) | | 2002-05-08 | 2002-05-08 | Bakliområdet (Trøndelag, Norway) | |
| Coal Tit (Periparus ater) | | 2002-05-08 | 2002-05-08 | Bakliområdet (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2002-05-08 | 2002-05-08 | Bakliområdet (Trøndelag, Norway) | |
| Willow Tit (Poecile montanus) | | 2002-05-06 | 2002-05-06 | Kjeldevatnet (Vestland, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2002-05-02 | 2001-10-16 | Lianvannet (Trøndelag, Norway) | |
| Coal Tit (Periparus ater) | | 2002-05-02 | 2001-10-16 | Lianvannet (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2002-04-26 | 2002-04-26 | Kjeldevatnet (Vestland, Norway) | |
| Great Tit (Parus major) | | 2002-04-25 | 2002-04-25 | Kjeldevatnet (Vestland, Norway) | |
| Great Tit (Parus major) | | 2002-04-15 | 2003-05-29 | Kjeldevatnet (Vestland, Norway) | |
| Great Tit (Parus major) | | 2002-04-15 | 2003-05-29 | Kjeldevatnet (Vestland, Norway) | |
| Great Tit (Parus major) | | 2002-04-15 | 2003-05-29 | Kjeldevatnet (Vestland, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2001-11-27 | 2001-06-12 | fuglekassene (Vestfold, Norway) | |
| Coal Tit (Periparus ater) | | 2001-11-27 | 2001-06-12 | fuglekassene (Vestfold, Norway) | |
| Great Tit (Parus major) | | 2001-11-27 | 2001-06-12 | fuglekassene (Vestfold, Norway) | |
| Marsh Tit (Poecile palustris) | | 2001-11-27 | 2001-06-12 | fuglekassene (Vestfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2001-11-27 | 2001-06-12 | fuglekassene (Vestfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2001-11-27 | 2001-06-12 | fuglekassene (Vestfold, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2001-11-27 | 2001-06-12 | fuglekassene (Vestfold, Norway) | |
| Great Tit (Parus major) | | 1994-11-24 | 1994-11-24 | Årstadtjødne (Rogaland, Norway) |  |
| Willow Tit (Poecile montanus) | | 1994-11-23 | 1994-11-23 | Tømmervatnet (Troms, Norway) | |
| Great Tit (Parus major) | | 1994-11-23 | 1994-11-23 | Øksnevadtjørna (Rogaland, Norway) | |
| Willow Tit (Poecile montanus) | | 1994-11-23 | 1994-11-23 | Øksnevadtjørna (Rogaland, Norway) | |
| Great Tit (Parus major) | | 1994-11-24 | 1994-11-24 | Burudvann (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 1994-11-24 | 1994-11-24 | Burudvann (Akershus, Norway) | |
| Willow Tit (Poecile montanus) | | 1994-11-16 | 1994-11-16 | Eikedokktjernet (Buskerud, Norway) | |
| Great Tit (Parus major) | | 1994-11-16 | 1994-11-16 | Eikedokktjernet (Buskerud, Norway) | |
| Great Tit (Parus major) | | 1994-11-14 | 1994-11-14 | Gåstjønna (Nordland, Norway) | |
| Willow Tit (Poecile montanus) | | 1994-11-14 | 1994-11-14 | Svartaholtjørnet (Vestland, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 1989-09-14 | 1989-09-14 | Hostadvatnet (Møre og Romsdal, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 1994-11-15 | 1994-11-15 | Arkavatnet (Rogaland, Norway) | |
| Coal Tit (Periparus ater) | | 1994-11-15 | 1994-11-15 | Arkavatnet (Rogaland, Norway) | |
| Crested Tit (Lophophanes cristatus) | | 1994-11-15 | 1994-11-15 | Arkavatnet (Rogaland, Norway) | |
| Great Tit (Parus major) | | 1994-11-15 | 1994-11-15 | Arkavatnet (Rogaland, Norway) | |
| Marsh Tit (Poecile palustris) | | 1994-11-15 | 1994-11-15 | Arkavatnet (Rogaland, Norway) | |
| Willow Tit (Poecile montanus) | | 1994-11-15 | 1994-11-15 | Arkavatnet (Rogaland, Norway) | |
| Great Tit (Parus major) | | 1989-09-15 | 1989-09-15 | Krussætertjern (Østfold, Norway) | |
| Great Tit (Parus major) | | 2001-03-28 | 1999-05-03 | Slettet (Trøndelag, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education