Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2034 | |
| Ornithologist day 2035 | |
| Ornithologist day 2036 | |
| Ornithologist day 2037 | |
| Ornithologist day 2038 | |
| Ornithologist day 2039 |
Ornithologist day in altre lingue
| Russian | День орнитолога |