Birds Stamp Thematic on WOPA+
Birds
| Hummingbird |
| Issued: 29.10.2021 |
| ›Saint Vincent and the Grenadines |
| Exotic Pigeons |
| Issued: 14.10.2021 |
| ›Romania |
| Hummingbird |
| Issued: 08.10.2021 |
| ›Antigua and Barbuda |
| Croatia – Kyrgyzstan Joint Issue - Protected Bird Species |
| Issued: 22.09.2021 |
| ›Croatia |
| Sculpture - Kyrgyz with a Golden Eagle Menton, France |
| Issued: 10.09.2021 |
| ›Kyrgyzstan KP |
| Owls |
| Issued: 01.09.2021 |
| ›Marshall Islands |
| Latvian Birds |
| Issued: 16.07.2021 |
| ›Latvia |
| Macaws Souvenir |
| Issued: 05.07.2021 |
| ›Saint Vincent and the Grenadines |
| Pelican Souvenir |
| Issued: 05.07.2021 |
| ›Saint Vincent and the Grenadines |
| Birds of the Marshall Islands |
| Issued: 17.06.2021 |
| ›Marshall Islands |
| Europa - Endangered National Wildlife |
| Issued: 21.05.2021 |
| ›Montenegro |
| Europa - The Western Capercaillie |
| Issued: 07.05.2021 |
| ›Slovakia |
| Europa - Endangered National Wildlife |
| Issued: 07.05.2021 |
| ›Croatia |
| Europa - Endangered National Wildlife |
| Issued: 06.05.2021 |
| ›Estonia |
| 100th Anniv. of the Estonian Ornithological Society |
| Issued: 29.04.2021 |
| ›Estonia |
| Europa - Endangered National Wildlife |
| Issued: 26.04.2021 |
| ›Faroe Islands |
| Europa - Big Grouse |
| Issued: 05.04.2021 |
| ›Bosnia and Herzegovina - Mostar |
| Bird of the Year (III) - The Bearded Vulture |
| Issued: 31.03.2021 |
| ›Kyrgyzstan KEP |
| Native Songbirds |
| Issued: 01.03.2021 |
| ›Liechtenstein |
| Guernsey Definitive - Birds |
| Issued: 17.02.2021 |
| ›Guernsey |
| Delta of Moldova |
| Issued: 03.02.2021 |
| ›Romania |