Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2359 | |
| Ornithologist day 2360 | |
| Ornithologist day 2361 | |
| Ornithologist day 2362 | |
| Ornithologist day 2363 | |
| Ornithologist day 2364 |
Ornithologist day in altre lingue
| Russian | День орнитолога |