Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2250 | |
| Ornithologist day 2251 | |
| Ornithologist day 2252 | |
| Ornithologist day 2253 | |
| Ornithologist day 2254 | |
| Ornithologist day 2255 |
Ornithologist day in altre lingue
| Russian | День орнитолога |