Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2091 | |
| Ornithologist day 2092 | |
| Ornithologist day 2093 | |
| Ornithologist day 2094 | |
| Ornithologist day 2095 | |
| Ornithologist day 2096 |
Ornithologist day in altre lingue
| Russian | День орнитолога |