2 A HAND-LIST OF BRITISH BIRDS. 



interbreeds with it, especially in Clyde area in west, and Tay 

 area in east. Very occasionally breeds in south-east, where chiefly 

 known as migrant. Ireland. Resident in every county. 



MIGRATIONS. British Isles. Great numbers arrive east coast 

 Great Britain from central Europe and Scandinavia, from mid- 

 Sept, to mid-Nov., and depart from mid-Feb. to mid- April. No 

 evidence of migration in Ireland. 



DISTRIBUTION. Abroad. Scandinavia, Denmark, Russia, east 

 Germany, Austria, Hungary, Italy, also Faeroes. Represented 

 by other forms in Corsica and Sardinia, Balkan Peninsula, 

 Cyprus, Egypt, and west Asia. Interbreeds with C. corone where 

 ranges overlap. 



CORVUS CORONE 



3. Corvus corone corone L. THE CARRION-CROW. 



CORVUS CORONE Linnaeus, Syst. Nat., ed. x, i, p. 105 (1758 Europe. 



Restricted typical locality : England). 



Corvus corone Linnaeus, Yarrell, n, p. 274 ; Saunders, p. 243. 



DISTRIBUTION. England and Wales. Resident and common, 

 but somewhat local. Scotland. Resident. On east side common 

 as far north as Perth, not rare in north of Moray area, and 

 occasionally nests east Sutherland ; on west side common parts of 

 Clyde district, but scarce resident Skye and very scarce north-west 

 Highlands ; occasional visitor Orkneys, Shetlands, and Fair Isle. 

 Where overlapping range of C. c. comix frequently interbreeds. 

 Ireland. Very rare. Said to have bred Mayo, 1890. 



MIGRATIONS. British Isles. Arrives east coast Great Britain 

 from central Europe between mid-Sept, and mid-Nov., and returns 

 between mid-Feb. and mid- April. 



DISTRIBUTION. Abroad. Western Europe generally, in Germany 

 roughly to the Elbe, and throughout the Alps to Bohemia. An 

 allied form in north-east Asia. Interbreeds with C. comix in 

 Germany and Siberia where ranges overlap. 



CORVUS FRUGILEGUS 



4. Corvus frugilegus frugilegus L. THE ROOK. 



CORVUS FBUGILEGUS Linnaeus, Syst. Nat., ed. x, i, p. 105 (1758 



Europe. Restricted typical locality : Sweden). 



Corvus frugilegus Linnaeus, Yarrell, u, p. 289 ; Saunders, p. 247. 



DISTRIBUTION. British Isles. Resident. Generally distributed. 

 Increasing and spreading north in Scotland, and now breeds 

 Caithness, Sutherland, Ross, and Cromarty, O.Hebrides and Orkneys, 

 but only visitor Shetlands. Now breeds western isles of Ireland. 



