| 1943 | 1945 | 1947 | 1952 |
 |
 |
 |
 |
| MS | MS | MS | MS |
| Barn Owl | Screech Owl | Barred Owl | Snowy Owl |
| 1953 | 1955 | 1957 |
 |
 |
 |
| MS | MS | MS |
| Long Eared Owl | Short Eared Owl | Barn Owl |
|
1963 |
1966 | 1969 | 1970 | |||
 |
 |
 |
|
|||
| MS | MS | MS | ||||
| MS Imperf | ||||||
| Cover | ||||||
|
Saw Whet Owl |
Burrowing Owl | Saw Whet Owl | Screech Owl |
| 1970 | 1971 | 1972 |
 |
 |
 |
| MS | MS | MS |
| Screech Owl | Elf Owl | Pygmy Owl |
| 1972 | 1973 | 1973 | 1975 | 1977 | 1978 |
 |
 |
 |
 |
 |
 |
| MS | MS | MS | MS | MS | MS |
| MS Imperf | MS Imperf | ||||
| Cover | Cover | ||||
| Saw Whet Owl | Snowy Owl | Burrowing Owls | Saw Whet Owl | Screech Owl | Screech Owl |
| 1979 | 1980 | 1980 | 1981 |
 |
 |
 |
 |
| MS | MS | MS | MS |
| Ferruginous Owl | Snowy Owl | Saw Whet Owl | Saw Whet Owl |
| 1983 | 1985 | 1986 | 1988 |
 |
 |
 |
 |
| MS | MS | MS | MS |
| MS | |||
| Eastern Screech Owl | Great Gray Owl | Boreal Owl | Snowy Owl |
| 1995 | 1995 | 1997 | 1998 | 2000 |
 |
 |
 |
 |
 |
| MS | MS | MS | MS | MS |
| MS | ||||
| Snowy Owl | Snowy Owl | Burrowing Owl | Burrowing Owl | Barred Owl |
