Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2237 | |
| Ornithologist day 2238 | |
| Ornithologist day 2239 | |
| Ornithologist day 2240 | |
| Ornithologist day 2241 | |
| Ornithologist day 2242 |
Ornithologist day in altre lingue
| Russian | День орнитолога |