Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2270 | |
| Ornithologist day 2271 | |
| Ornithologist day 2272 | |
| Ornithologist day 2273 | |
| Ornithologist day 2274 | |
| Ornithologist day 2275 |
Ornithologist day in altre lingue
| Russian | День орнитолога |