| 194? | 194? | 194? | 194? |
 |
 |
 |
 |
| Black Barn Owl | Papuan Hawk Owl | Sparrow Owls | Saw Whet Owls |
| 194? | 194? | 194? |
 |
 |
 |
| Owl's Eyes | Horned Owl | Great Horned Owls |
|
194? |
194? |
194? |
 |
 |
 |
| Owl's Eyes | Saw Whet Owl | Saw Whet Owl |
| 194? | 194? | 194? |
 |
 |
 |
| Owl Pellets | Barn Owl | Snowy Owl |
| 194? | 194? | 194? |
 |
 |
 |
| Snowy Owl's Meal | Screech Owl | Barn Owl |
| 194? |
 |
| Unidentified Owl |
| 1989 |
 |
| Snowy Owl, Burrowing Owl, Great Horned Owl, Barn Owl & Barred Owl |
| 1994 |
 |
| Spotted Owl |
| 2002 |
 |
| Great Grey Owl, Boreal Owl, Snowy Owl, Northern Hawk Owl & Saw Whet Owl |