Start of Common bird monitoring for 2018: season 15th!

For 15 th time in a row, Bulgarian Society for the Protection of birds will organize the monitoring of common birds in Bulgaria. Results are used to assess the state of common birds and their habitat. Observations are recorded by amateur observers who visit their sites for observation twice a year. In the last assessment of the state of common birds were assessed the state of 76 common birds. The ones in decline are 16%, those with increasing and stable trends are 25% each and the remaining 34% have uncertain trend category. To be able to make these...