Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2199 | |
| Ornithologist day 2200 | |
| Ornithologist day 2201 | |
| Ornithologist day 2202 | |
| Ornithologist day 2203 | |
| Ornithologist day 2204 |
Ornithologist day in altre lingue
| Russian | День орнитолога |