Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2335 | |
| Ornithologist day 2336 | |
| Ornithologist day 2337 | |
| Ornithologist day 2338 | |
| Ornithologist day 2339 | |
| Ornithologist day 2340 |
Ornithologist day in altre lingue
| Russian | День орнитолога |