Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2299 | |
| Ornithologist day 2300 | |
| Ornithologist day 2301 | |
| Ornithologist day 2302 | |
| Ornithologist day 2303 | |
| Ornithologist day 2304 |
Ornithologist day in altre lingue
| Russian | День орнитолога |