Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2156 | |
| Ornithologist day 2157 | |
| Ornithologist day 2158 | |
| Ornithologist day 2159 | |
| Ornithologist day 2160 | |
| Ornithologist day 2161 |
Ornithologist day in altre lingue
| Russian | День орнитолога |