52 STUDIES IN BIRD-MIGRATION 



*Blackbird, Turdus merula. — Scandinavia to 67° N., Central Russia. 

 Continental Redbreast, Erithacus ruhecula. — Northern Continental 



Europe. 

 Black Redstart, Ruticilla titys. — Central Europe, resident in 



Southern Europe. 

 Continental Hedge-Accentor, Accentor modulo.ris. — Scandinavia, 



Russia to 60° N. 

 *Wren, Troglodytes troglodytes. — Northern Continental Europe. 

 Continental Great Spotted Woodpecker, Dendrocopus major. — 



Scandinavia to 70° N. ; Russia to 64° N. 

 *LoNG-EARED QwL, Asio ^///j". — Scandinavia and North Russia. 

 *Short-eared Owl, Asio accipitriuiis. — Scandinavia, Russia, etc. 



(Siberia.) 

 Rough-legged Buzzard, Archibuteo lagopus. — Scandinavia, Northern 



Russia, Waigatsch. (Siberia.) 

 ^Peregrine Falcon, Fako peregrinus. — Northern Continental Europe. 

 *Merlin, Fako asalon. — Iceland, Northern Continental Europe. 

 *Kestrel, Fako tinnmiculus. — Scandinavia. 

 *Heron, Ardea cinerea. — Scandinavia. 



Bittern, JSotauriis steUaris. — Central Europe, Southern Sweden. 

 *Grey Lag-Goose, Anser anser. — Iceland, Scandinavia, Russia, etc. 

 White-fronted Goose, Anser albifrons. — Greenland, Iceland, 



Kolguev, Novaya Zemlya. (Siberia.) 

 Bean-Goose, Anser segetuni. — Greenland, Northern Scandinavia, 



Russia, Kolguev, Novaya Zemlya. (Siberia.) 

 Pink-footed Goose, Anser brachyrhynchus. — Iceland, Spitzbergen. 

 Bernacle-Goose, Branta leiicopsis. — Greenland, Spitzbergen. 

 Brent Goose, Branta bernicla. — Greenland, Spitzbergen, Franz Josef 



Land, Kolguev. (Siberia.) 

 AVhooper, Cygnus niusicus. — Iceland, Northern Scandinavia and 



Russia. (Siberia.) 

 Bewick's Swan, Cygnus beivicki. —North-east Russia, Kolguev, 



Novaya Zemlya, Waigatsch. (Siberia.) 

 *Sheld-Uuck, Tadorna tadorna. — Scandinavia. 

 *Mallard, Anas boscas. — Southern Greenland, Iceland, Northern 



Europe. 

 *Gadwall, Anas strepera. — Iceland, North Russia, Central Europe. 

 *Shoveler, Spatula clypeata. — Northern and Central Europe. 

 *Pintail, Dafila acuta. — Iceland, Faroes, Northern and Central 



Europe. 



