Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2125 | |
| Ornithologist day 2126 | |
| Ornithologist day 2127 | |
| Ornithologist day 2128 | |
| Ornithologist day 2129 | |
| Ornithologist day 2130 |
Ornithologist day in altre lingue
| Russian | День орнитолога |