Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2105 | |
| Ornithologist day 2106 | |
| Ornithologist day 2107 | |
| Ornithologist day 2108 | |
| Ornithologist day 2109 | |
| Ornithologist day 2110 |
Ornithologist day in altre lingue
| Russian | День орнитолога |