Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2037 | |
| Ornithologist day 2038 | |
| Ornithologist day 2039 | |
| Ornithologist day 2040 | |
| Ornithologist day 2041 | |
| Ornithologist day 2042 |
Ornithologist day in altre lingue
| Russian | День орнитолога |