Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2446 | |
| Ornithologist day 2447 | |
| Ornithologist day 2448 | |
| Ornithologist day 2449 | |
| Ornithologist day 2450 | |
| Ornithologist day 2451 |
Ornithologist day in altre lingue
| Russian | День орнитолога |