Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2202 | |
| Ornithologist day 2203 | |
| Ornithologist day 2204 | |
| Ornithologist day 2205 | |
| Ornithologist day 2206 | |
| Ornithologist day 2207 |
Ornithologist day in altre lingue
| Russian | День орнитолога |