Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2137 | |
| Ornithologist day 2138 | |
| Ornithologist day 2139 | |
| Ornithologist day 2140 | |
| Ornithologist day 2141 | |
| Ornithologist day 2142 |
Ornithologist day in altre lingue
| Russian | День орнитолога |