Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2174 | |
| Ornithologist day 2175 | |
| Ornithologist day 2176 | |
| Ornithologist day 2177 | |
| Ornithologist day 2178 | |
| Ornithologist day 2179 |
Ornithologist day in altre lingue
| Russian | День орнитолога |