| Nuthatch (Sitta europaea) | | 2022-01-19 | 2022-01-09 | Feren (Trøndelag, Norway) |  |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2022-01-19 | 2022-01-09 | Feren (Trøndelag, Norway) | |
| Pied Flycatcher (Ficedula hypoleuca) | | 2018-07-04 | 2018-07-04 | Feren (Trøndelag, Norway) | |
| Pied Flycatcher (Ficedula hypoleuca) | | 2018-07-04 | 2018-06-10 | Feren (Trøndelag, Norway) | |
| Eurasian Sparrowhawk (Accipiter nisus) | | 2018-05-30 | 2018-05-29 | Feren (Trøndelag, Norway) | |
| Pied Flycatcher (Ficedula hypoleuca) | | 2018-05-30 | 2018-05-30 | Feren (Trøndelag, Norway) | |
| Eurasian Red Squirrel (Sciurus vulgaris) | | 2018-01-28 | 2018-01-27 | Feren (Trøndelag, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2018-01-28 | 2018-01-27 | Feren (Trøndelag, Norway) | |
| Nuthatch (Sitta europaea) | | 2018-01-28 | 2018-01-27 | Feren (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2018-01-28 | 2018-01-27 | Feren (Trøndelag, Norway) | |
| Willow Tit (Poecile montanus) | | 2018-01-28 | 2018-01-27 | Feren (Trøndelag, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2017-03-12 | 2017-03-12 | Feren (Trøndelag, Norway) | |
| Nuthatch (Sitta europaea) | | 2017-03-11 | 2017-03-11 | Feren (Trøndelag, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2017-01-29 | 2017-01-29 | Feren (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2017-01-29 | 2017-01-29 | Feren (Trøndelag, Norway) | |
| Nuthatch (Sitta europaea) | | 2017-01-29 | 2017-01-29 | Feren (Trøndelag, Norway) | |
| Willow Tit (Poecile montanus) | | 2017-01-29 | 2017-01-29 | Feren (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2016-06-24 | 2016-05-31 | Feren (Trøndelag, Norway) | |
| Common Blackbird (Turdus merula) | | 2016-03-28 | 2016-03-20 | Feren (Trøndelag, Norway) | |
| Svane (Cygnus sp.) | | 2015-01-20 | 2015-01-18 | Feren (Trøndelag, Norway) | |
| Nuthatch (Sitta europaea) | | 2014-06-11 | 2014-05-18 | Feren (Trøndelag, Norway) | |
| Nuthatch (Sitta europaea) | | 2013-03-25 | 2013-03-25 | Feren (Trøndelag, Norway) | |
| Nuthatch (Sitta europaea) | | 2013-03-25 | 2013-03-25 | Feren (Trøndelag, Norway) | |
| Mealy Redpoll (Carduelis flammea) | | 2013-03-25 | 2013-03-25 | Feren (Trøndelag, Norway) | |
| Eurasian Bullfinch (Pyrrhula pyrrhula) | | 2013-03-25 | 2013-03-25 | Feren (Trøndelag, Norway) | |
| Nuthatch (Sitta europaea) | | 2013-03-25 | 2013-03-25 | Feren (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2013-03-25 | 2013-03-25 | Feren (Trøndelag, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2013-03-25 | 2013-03-25 | Feren (Trøndelag, Norway) | |
| House Sparrow (Passer domesticus) | | 2013-03-25 | 2013-03-25 | Feren (Trøndelag, Norway) | |
| European Greenfinch (Carduelis chloris) | | 2013-03-25 | 2013-03-25 | Feren (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2012-06-28 | 2012-06-09 | Feren (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2012-06-28 | 2012-06-09 | Feren (Trøndelag, Norway) | |
| Willow Tit (Poecile montanus) | | 2011-05-15 | 2011-05-14 | Feren (Trøndelag, Norway) | |
| Willow Tit (Poecile montanus) | | 2011-05-15 | 2011-05-10 | Feren (Trøndelag, Norway) | |
| Willow Tit (Poecile montanus) | | 2010-07-01 | 2010-06-19 | Feren (Trøndelag, Norway) | |
| Willow Tit (Poecile montanus) | | 2010-07-01 | 2010-06-19 | Feren (Trøndelag, Norway) | |
| Willow Tit (Poecile montanus) | | 2010-07-01 | 2010-06-19 | Feren (Trøndelag, Norway) | |
| Willow Tit (Poecile montanus) | | 2010-07-01 | 2010-06-19 | Feren (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2010-01-19 | 2009-07-05 | Feren (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2009-05-30 | 2009-05-30 | Feren (Trøndelag, Norway) | |
| Great Tit (Parus major) | | 2007-09-08 | 2007-06-23 | Feren (Trøndelag, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2007-05-01 | 2005-05-10 | Feren (Trøndelag, Norway) | |
| Blue Tit (Cyanistes caeruleus) | | 2007-05-01 | 2006-05-13 | Feren (Trøndelag, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education