Celebrato nei paesi (+1):
Russia.Ornithologist day negli altri anni
| Inizia | |
|---|---|
| Ornithologist day 2009 | |
| Ornithologist day 2010 | |
| Ornithologist day 2011 | |
| Ornithologist day 2012 | |
| Ornithologist day 2013 | |
| Ornithologist day 2014 |
Ornithologist day in altre lingue
| Russian | День орнитолога |