Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2279 | |
| Ornithologist day 2280 | |
| Ornithologist day 2281 | |
| Ornithologist day 2282 | |
| Ornithologist day 2283 | |
| Ornithologist day 2284 |
Ornithologist day in altre lingue
| Russian | День орнитолога |