Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2144 | |
| Ornithologist day 2145 | |
| Ornithologist day 2146 | |
| Ornithologist day 2147 | |
| Ornithologist day 2148 | |
| Ornithologist day 2149 |
Ornithologist day in altre lingue
| Russian | День орнитолога |