Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2290 | |
| Ornithologist day 2291 | |
| Ornithologist day 2292 | |
| Ornithologist day 2293 | |
| Ornithologist day 2294 | |
| Ornithologist day 2295 |
Ornithologist day in altre lingue
| Russian | День орнитолога |