Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2131 | |
| Ornithologist day 2132 | |
| Ornithologist day 2133 | |
| Ornithologist day 2134 | |
| Ornithologist day 2135 | |
| Ornithologist day 2136 |
Ornithologist day in altre lingue
| Russian | День орнитолога |