Europe; restricted to Sweden.
Recent molecular study indicates that this species is sister to a group formed by P. minor and P. regia#R. In past, occasionally treated as conspecific with latter. A DNA-based study found significant genetic variation in Mauritania between local breeding population (race balsaci) and wintering Dutch population (nominate)#R. Asian populations have been assigned separate race, major, but this considered doubtfully valid. Three subspecies recognized.
Food and feeding
Status and conservation
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