Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2452 | |
| Ornithologist day 2453 | |
| Ornithologist day 2454 | |
| Ornithologist day 2455 | |
| Ornithologist day 2456 | |
| Ornithologist day 2457 |
Ornithologist day in altre lingue
| Russian | День орнитолога |