The White-spotted Bluethroat (Luscinia svecica cyanecula)of southern and central Europe, have a white spot in the centre of the blue bib. L. svecica magna in Turkey has no central spot.
It is a migratory insectivorous species breeding in wet birch wood or bushy swamp in Europe and Asia with a foothold in western Alaska. It nests in tussocks or low in dense bushes. It winters in north Africa and the Indian Subcontinent. (From Wikipedia, the free encyclopedia)
Appears at spring-time in Southern Denmark, close to the german border.