United Kingdom of Great Britain and Northern Ireland
| Specie | Title | Year |
|---|---|---|
| Chicken | Sicilian Buttercup | 2020 |
| Chicken | Sicilian Flowerbird | 2020 |
| Chicken | Silkie | 2020 |
| Chicken | Silkie (miniature) | 2020 |
| Chicken | Spanish | 2020 |
| Chicken | Spanish (miniature) | 2020 |
| Chicken | Speckled Sussex | 2020 |
| Chicken | Sulmtaler | 2020 |
| Chicken | Sultan | 2020 |
| Chicken | Sumatra Game | 2020 |
| Chicken | Sumatra Game (miniature) | 2020 |
| Chicken | Sussex | 2020 |
| Chicken | Sussex (miniature) | 2020 |
| Chicken | Taiwanese Shamo | 2020 |
| Chicken | Thai Game | 2020 |
| Chicken | Thuringian Bearded (miniature) | 2020 |
| Chicken | Transylvanian | 2020 |
| Chicken | Transylvanian (miniature) | 2020 |
| Chicken | Tuzo | 2020 |
| Chicken | Venezuelan Game | 2020 |
