Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2399 | |
| Ornithologist day 2400 | |
| Ornithologist day 2401 | |
| Ornithologist day 2402 | |
| Ornithologist day 2403 | |
| Ornithologist day 2404 |
Ornithologist day in altre lingue
| Russian | День орнитолога |