Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2439 | |
| Ornithologist day 2440 | |
| Ornithologist day 2441 | |
| Ornithologist day 2442 | |
| Ornithologist day 2443 | |
| Ornithologist day 2444 |
Ornithologist day in altre lingue
| Russian | День орнитолога |