Bass Rock, east Scotland.
Closely related to M. capensis and M. serrator. In past, all three were treated as conspecific but present species differs in its all-white secondaries (3), all-white tail (3), and slightly paler, generally less intense (less orange-tinged) yellow on head (1). Monotypic.
Breeds on both sides of Atlantic Ocean: 48°–66° N on E side, reaching 72° N in Norway; more restricted on W side, 46°–50° N. Winters S down coasts, some reaching equator.
Food and feeding
Status and conservation
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