Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2226 | |
| Ornithologist day 2227 | |
| Ornithologist day 2228 | |
| Ornithologist day 2229 | |
| Ornithologist day 2230 | |
| Ornithologist day 2231 |
Ornithologist day in altre lingue
| Russian | День орнитолога |