Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2025 | |
| Ornithologist day 2026 | |
| Ornithologist day 2027 | |
| Ornithologist day 2028 | |
| Ornithologist day 2029 | |
| Ornithologist day 2030 |
Ornithologist day in altre lingue
| Russian | День орнитолога |