Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2141 | |
| Ornithologist day 2142 | |
| Ornithologist day 2143 | |
| Ornithologist day 2144 | |
| Ornithologist day 2145 | |
| Ornithologist day 2146 |
Ornithologist day in altre lingue
| Russian | День орнитолога |