| 1927 | 1929 | 1929 | 1942 | 1948 | 1965 |
 |
 |
 |
 |
 |
 |
| SG 268 | SG 285 | SG 285a | SG 383 | SG 411 | SG 566 |
| Scott 143 | Scott 159 | Scott ? | Scott 257 | Scott 277 | Scott 441 |
| Imperf Scott 143a | Imperf Scott 159a | Imperf Scott 257a | |||
| Canadian Parliament | Canadian Parliament | Canadian Parliament | Canadian Parliament | Canadian Parliament | Canadian Parliament |
| Colour Variation | |||||
| Stylised Owl | Stylised Owl | Stylised Owl | Stylised Owl | Stylised Owl | Stylised Owl |
| 1967 | 1967 | 1968 | 1972 | 1970 | 1970 | 1980 |
 |
 |
 |
 |
 |
 |
 |
| Close Up | Close Up | Close Up | Canadian Parliament | |||
| SG 580 | SG 580p | SG 580pa | SG 580q | SG 648 | SG 659 | SG 989 |
| Scott 455 | Scott ? | Scott ? | Scott ? | Scott 506 | Scott 517 | Scott 867 |
| Stylised Owl | Stylised Owl | Stylised Owl | Stylised Owl | Stylised Owl | Stylised Owl | Stylised Owl |
| 1985 | 1986 | 1989 | 1990 | 1992 | 1993 |
 |
 |
 |
 |
 |
 |
| Canadian Parliament | Canadian Parliament | Canadian Parliament | Mayan Calendar | ||
| SG 1174 | SG 1201 | SG 1346 | SG 1404 | SG | SG 1539 |
| Scott 1061 | Scott 1097 | Scott 1260 | Scott 1293 | Scott 1407 | Scott 1466 |
| Sheet | Sheet | ||||
| Stylised Owl | Great Horned Owl | Stylised Owl | Stylised Owl | Stylised Owl | Stylised Owl |
| 1998 | 2005 | 2008 | 2014 | 2014 |
 |
 |
 |
 |
 |
| Canadian Parliament | ||||
| SG 1781 | SG 2358 | SG 2573d | SG 2706c | SG 2727 |
| Scott 1712 | Scott 2112 | Scott 2285d | Scott | Scott |
| Sheet | SG MS2573 | SG MS2727 | ||
| Eastern Screech Owl | Stylised Owl | Burrowing Owl | Burrowing Owl | Burrowing Owl |
| 2008 | 2010 |
 |
 |
| SG SB387 (Stamp 2572) | SG MS2684 |
| Scott 2289b | Scott 2388 |
| Burrowing Owl | Great Grey Owl |
| 2011 | 2012 |
 |
 |
| Canadian Parliament | Canadian Parliament |
| SG MS2797 | SG MS2833 |
| Scott 2477b | Scott 2515 |
| Stylized Owl | Stylized Owl |
| 2012 | 2013 |
 |
 |
| Canadian Parliament Close Up | Canadian Parliament Close Up |
| SG MS2832 | SG MS2986 |
| Scott | Scott |
| Stylized Owl | Stylized Owl |
