Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2112 | |
| Ornithologist day 2113 | |
| Ornithologist day 2114 | |
| Ornithologist day 2115 | |
| Ornithologist day 2116 | |
| Ornithologist day 2117 |
Ornithologist day in altre lingue
| Russian | День орнитолога |