Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2076 | |
| Ornithologist day 2077 | |
| Ornithologist day 2078 | |
| Ornithologist day 2079 | |
| Ornithologist day 2080 | |
| Ornithologist day 2081 |
Ornithologist day in altre lingue
| Russian | День орнитолога |