Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2419 | |
| Ornithologist day 2420 | |
| Ornithologist day 2421 | |
| Ornithologist day 2422 | |
| Ornithologist day 2423 | |
| Ornithologist day 2424 |
Ornithologist day in altre lingue
| Russian | День орнитолога |