Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2169 | |
| Ornithologist day 2170 | |
| Ornithologist day 2171 | |
| Ornithologist day 2172 | |
| Ornithologist day 2173 | |
| Ornithologist day 2174 |
Ornithologist day in altre lingue
| Russian | День орнитолога |