Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2040 | |
| Ornithologist day 2041 | |
| Ornithologist day 2042 | |
| Ornithologist day 2043 | |
| Ornithologist day 2044 | |
| Ornithologist day 2045 |
Ornithologist day in altre lingue
| Russian | День орнитолога |