SUMMING-UP OF THE 2015 FIELD SURVEY OF THE BREEDING BIOLOGY AND MORPHOLOGY OF THE SEMI-COLLARED FLYCTACHER
By Johan Träff
This year (2015) the field research season lasted from March 20 to mid-June. During this period 220 nest-boxes allocated in five plots were used in the Goritsa Forest area in the region of Varna. The results are as follows:
- Nestboxes – 218 boxes were used during the season (during the winter 12 had disappeared but they were replaced with new ones before the breeding started – Another two (empty) boxes disappeared during the season).