Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2186 | |
| Ornithologist day 2187 | |
| Ornithologist day 2188 | |
| Ornithologist day 2189 | |
| Ornithologist day 2190 | |
| Ornithologist day 2191 |
Ornithologist day in altre lingue
| Russian | День орнитолога |