Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2411 | |
| Ornithologist day 2412 | |
| Ornithologist day 2413 | |
| Ornithologist day 2414 | |
| Ornithologist day 2415 | |
| Ornithologist day 2416 |
Ornithologist day in altre lingue
| Russian | День орнитолога |