| Birds of the World : 1999 |
 |
| 1500s |
| Green-backed Heron Roberts 74 Clements 20.0330 |
| Bird has been identified as a Black-headed Heron on the stamp ? |
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| Miniature Sheets 3 & 4 | Return to duplicates |
| Birds of the World : 1999 |
|
| 1500s |
| Green-backed Heron Roberts 74 Clements 20.0330 |
| Bird has been identified as a Black-headed Heron on the stamp ? |
| Birds of the World : 1999 |
 |
| 1500s |
| Kittlitz's Plover Roberts 248 Clements 60.0390 |