| 1961 |
 |
| Snowy Owl |
| 1966 | 1978 |
|
|
|
 |
 |
| Stylised Owl | Stylised Owl |
| 1976 | 1976 |
|
|
|
 |
 |
| Stylised Owl | Stylised Owl |
| 1976 | 1982 |
|
|
|
 |
 |
| Close Up | |
| Stylised Owl | Stylised Owl |
| 1981 |
 |
| Close Up |
| Unidentified Owl |
| 1982 |
|
|
 |
| Stylised Owl |
| 1982 |
|
|
 |
| Stylised Owl |
|
1992 |
 |
|
1992 |
1992 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
|
|
|
|
2000 |
 |
|
200? |
 |
|
200? |
 |
|
2008 |
2008 |
 |
 |
| Barn Owl | Great Grey Owl |
|
2008 |
2008 |
 |
 |
| Eagle Owl | Eastern Screech Owl |
|
2008 |
2008 |
 |
 |
| Spotted Owl | Snowy Owl |
|
2008 |
2008 |
 |
 |
| Eurasian Pygmy Owl | Short Eared Owl |
|
2008 |
2008 |
 |
 |
| Little Owl | Little Owl |
|
2008 |
2008 |
 |
 |
| Little Owl | Snowy Owl |
|
2008 |
2008 |
 |
 |
| Little Owl | Eagle Owl |
|
2008 |
2008 |
 |
 |
| Little Owl | Little Owl |
|
2008 |
2008 |
 |
 |
| Boreal Owl | Blakiston's Fish Owl |
|
2008 |
2008 |
 |
 |
| Little Owl | Eagle Owl |
|
2008 |
2008 |
 |
 |
| Eagle Owl | Barn Owl |
|
2008 |
2008 |
 |
 |
| Great Grey Owl | Long Eared Owl |
|
2008 |
2008 |
 |
 |
| Elf Owl | Elf Owl |
|
2008 |
2008 |
 |
 |
| Elf Owl | Elf Owl |
|
2009 |
2009 |
 |
 |
| Eurasian Pygmy Owl | Snowy Owl |
|
2009 |
2009 |
 |
 |
| Short Eared Owl | Spotted Owl |
|
2011 |
 |
| Eagle Owl |
|
2010 |
2011 |
 |
 |
| Stylized Owl | Stylized Owl |
|
2012 |
2012 |
 |
 |
| Eagle Owl | Long Eared Owl |