Reports
Bulgarian Society for the protection of birds publishes reports on the state of common birds in Bulgaria.
| State of common birds in Bulgaria | ||||
| 2005-2013 | 2005-2012 | 2005-2011 | 2005-2010 | 2005-2007 |
 |
 |
 |
|
|
Identical reports and brochures are prepared for other countries throughout Europe. The materials are in english:
| State of common birds in Europe | |||
| 2007 | 2008 | ||
|
|
|
||
| 2011 | 2012 | 2013 | |
 |
 |
 |
|
- United Kingdom
| 2006 | 2007 | 2008 | 2009 | 2010 |
|
|
 |
 |
 |
 |
| 2011 | 2012 | 2013 | ||
|
|
|
 |
- Denmark
- Spain
| 2005 | 2006 | 2007 | 2008 | 2009-2010 |
 |
 |
 |
 |
 |
| 2010 | 2012 | |||
 |
 |
- State ot common birds in USA
| 2009 | 2010 | 2011 |
 |
 |
 |
