Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2431 | |
| Ornithologist day 2432 | |
| Ornithologist day 2433 | |
| Ornithologist day 2434 | |
| Ornithologist day 2435 | |
| Ornithologist day 2436 |
Ornithologist day in altre lingue
| Russian | День орнитолога |