Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2455 | |
| Ornithologist day 2456 | |
| Ornithologist day 2457 | |
| Ornithologist day 2458 | |
| Ornithologist day 2459 | |
| Ornithologist day 2460 |
Ornithologist day in altre lingue
| Russian | День орнитолога |