| Great Tit (Parus major) | | 2012-11-01 | 2012-11-01 |  | Bjørlien skole (Akershus, Norway) |  |
| Nuthatch (Sitta europaea) | | 2012-11-01 | 2012-11-01 | | Bjørlien skole (Akershus, Norway) | |
| Nuthatch (Sitta europaea) | | 2012-10-31 | 2012-10-29 | | Bjørlien skole (Akershus, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2012-10-31 | 2012-10-29 | | Bjørlien skole (Akershus, Norway) | |
| Great Tit (Parus major) | | 2012-10-31 | 2012-10-29 | | Bjørlien skole (Akershus, Norway) | |
| Hooded Crow (Corvus cornix) | | 2012-10-31 | 2012-10-29 | | Bjørlien skole (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2012-10-30 | 2012-10-29 | | Bjørlien skole (Akershus, Norway) | |
| Nuthatch (Sitta europaea) | | 2012-10-30 | 2012-10-29 | | Bjørlien skole (Akershus, Norway) | |
| Great Tit (Parus major) | | 2012-10-30 | 2012-10-29 | | Bjørlien skole (Akershus, Norway) | |
| Willow Tit (Poecile montanus) | | 2012-10-30 | 2012-10-29 | | Bjørlien skole (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2012-10-30 | 2012-10-29 | | Bjørlien skole (Akershus, Norway) | |
| Coal Tit (Periparus ater) | | 2012-10-30 | 2012-10-29 | | Bjørlien skole (Akershus, Norway) | |
| Nuthatch (Sitta europaea) | | 2012-10-30 | 2012-10-29 | | Bjørlien skole (Akershus, Norway) | |
| Great Tit (Parus major) | | 2012-10-30 | 2012-10-29 | | Bjørlien skole (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2012-10-26 | 2012-10-25 | | Bjørlien skole (Akershus, Norway) | |
| Nuthatch (Sitta europaea) | | 2012-10-26 | 2012-10-25 | | Bjørlien skole (Akershus, Norway) | |
| Eurasian Magpie (Pica pica) | | 2012-10-26 | 2012-10-25 | | Bjørlien skole (Akershus, Norway) | |
| Eurasian Tree Sparrow (Passer montanus) | | 2012-10-26 | 2012-10-25 | | Bjørlien skole (Akershus, Norway) | |
| Great Tit (Parus major) | | 2012-10-26 | 2012-10-25 | | Bjørlien skole (Akershus, Norway) | |
| Great Spotted Woodpecker (Dendrocopos major) | | 2012-10-26 | 2012-10-25 | | Bjørlien skole (Akershus, Norway) | |
| Willow Tit (Poecile montanus) | | 2012-10-25 | 2012-10-25 | | Bjørlien skole (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2012-10-25 | 2012-10-25 | | Bjørlien skole (Akershus, Norway) | |
| Nuthatch (Sitta europaea) | | 2012-10-25 | 2012-10-25 | | Bjørlien skole (Akershus, Norway) | |
| Great Tit (Parus major) | | 2012-10-25 | 2012-10-25 | | Bjørlien skole (Akershus, Norway) | |
| House Sparrow (Passer domesticus) | | 2012-10-24 | 2012-10-24 | | Bjørlien skole (Akershus, Norway) | |
| Eurasian Magpie (Pica pica) | | 2012-10-24 | 2012-10-24 | | Bjørlien skole (Akershus, Norway) | |
| Great Tit (Parus major) | | 2012-10-24 | 2012-10-24 | | Bjørlien skole (Akershus, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2012-10-24 | 2012-10-24 | | Bjørlien skole (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2012-10-24 | 2012-10-24 | | Bjørlien skole (Akershus, Norway) | |
| Coal Tit (Periparus ater) | | 2012-10-22 | 2012-10-22 | | Bjørlien skole (Akershus, Norway) | |
| Marsh Tit (Poecile palustris) | | 2012-10-22 | 2012-10-22 | | Bjørlien skole (Akershus, Norway) | |
| Great Tit (Parus major) | | 2012-10-22 | 2012-10-22 | | Bjørlien skole (Akershus, Norway) | |
| Willow Tit (Poecile montanus) | | 2012-10-22 | 2012-10-22 | | Bjørlien skole (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2012-10-22 | 2012-10-22 | | Bjørlien skole (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2012-10-19 | 2012-10-15 | | Bjørlien skole (Akershus, Norway) | |
| Willow Tit (Poecile montanus) | | 2012-10-19 | 2012-10-15 | | Bjørlien skole (Akershus, Norway) | |
| Coal Tit (Periparus ater) | | 2012-10-19 | 2012-10-15 | | Bjørlien skole (Akershus, Norway) | |
| Nuthatch (Sitta europaea) | | 2012-10-19 | 2012-10-15 | | Bjørlien skole (Akershus, Norway) | |
| Marsh Tit (Poecile palustris) | | 2012-10-19 | 2012-10-15 | | Bjørlien skole (Akershus, Norway) | |
| Great Tit (Parus major) | | 2012-10-19 | 2012-10-15 | | Bjørlien skole (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2012-10-18 | 2012-10-15 | | Bjørlien skole (Akershus, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2012-10-18 | 2012-10-15 | | Bjørlien skole (Akershus, Norway) | |
| Coal Tit (Periparus ater) | | 2012-10-18 | 2012-10-15 | | Bjørlien skole (Akershus, Norway) | |
| Eurasian Magpie (Pica pica) | | 2012-10-18 | 2012-10-15 | | Bjørlien skole (Akershus, Norway) | |
| Marsh Tit (Poecile palustris) | | 2012-10-18 | 2012-10-15 | | Bjørlien skole (Akershus, Norway) | |
| Great Tit (Parus major) | | 2012-10-18 | 2012-10-15 | | Bjørlien skole (Akershus, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2012-10-18 | 2012-10-18 | | Bjørlien skole (Akershus, Norway) | |
| Coal Tit (Periparus ater) | | 2012-10-18 | 2012-10-18 | | Bjørlien skole (Akershus, Norway) | |
| Marsh Tit (Poecile palustris) | | 2012-10-16 | 2012-10-15 | | Bjørlien skole (Akershus, Norway) | |
| Chaffinch (Fringilla coelebs) | | 2012-10-16 | 2012-10-15 | | Bjørlien skole (Akershus, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education