Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2149 | |
| Ornithologist day 2150 | |
| Ornithologist day 2151 | |
| Ornithologist day 2152 | |
| Ornithologist day 2153 | |
| Ornithologist day 2154 |
Ornithologist day in altre lingue
| Russian | День орнитолога |