Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2415 | |
| Ornithologist day 2416 | |
| Ornithologist day 2417 | |
| Ornithologist day 2418 | |
| Ornithologist day 2419 | |
| Ornithologist day 2420 |
Ornithologist day in altre lingue
| Russian | День орнитолога |