Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2109 | |
| Ornithologist day 2110 | |
| Ornithologist day 2111 | |
| Ornithologist day 2112 | |
| Ornithologist day 2113 | |
| Ornithologist day 2114 |
Ornithologist day in altre lingue
| Russian | День орнитолога |