Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2424 | |
| Ornithologist day 2425 | |
| Ornithologist day 2426 | |
| Ornithologist day 2427 | |
| Ornithologist day 2428 | |
| Ornithologist day 2429 |
Ornithologist day in altre lingue
| Russian | День орнитолога |