Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2179 | |
| Ornithologist day 2180 | |
| Ornithologist day 2181 | |
| Ornithologist day 2182 | |
| Ornithologist day 2183 | |
| Ornithologist day 2184 |
Ornithologist day in altre lingue
| Russian | День орнитолога |