Motacilla alba yarrellii
Numerous breeder, and nesting on most islands (Ramsey, Skomer, Skokholm, Caldey, not Grassholm). Roost of 600-1000 in gorse at Martletwy, Jan-March 1935. Also regular and numerous autumn passage migrant.
Motacilla alba yarrellii
Numerous breeder, and nesting on most islands (Ramsey, Skomer, Skokholm, Caldey, not Grassholm). Roost of 600-1000 in gorse at Martletwy, Jan-March 1935. Also regular and numerous autumn passage migrant.