Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2055 | |
| Ornithologist day 2056 | |
| Ornithologist day 2057 | |
| Ornithologist day 2058 | |
| Ornithologist day 2059 | |
| Ornithologist day 2060 |
Ornithologist day in altre lingue
| Russian | День орнитолога |