Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2051 | |
| Ornithologist day 2052 | |
| Ornithologist day 2053 | |
| Ornithologist day 2054 | |
| Ornithologist day 2055 | |
| Ornithologist day 2056 |
Ornithologist day in altre lingue
| Russian | День орнитолога |