O GEOGRAPHICAL DISTRIBUTION 



which predominate the residents or the winter visitors^ and to allot them 

 accordingly. 



It is obvious that some species may belong to one category in England, 

 and to another in Scotland or Ireland, For example, the Dartford 

 Warbler is a resident in England, but unknown in Scotland and Ireland ; 

 whilst the Ptarmigan is a resident in Scotland, but unknown in England 

 or Ireland. In the following summary of the distribution of birds within 

 the British Islands, the word partial is prefixed to those appellations which 

 do not apply to all three kingdoms : — 



Residents 82 



Partial residents 26 



— 108 



Summer visitors 32 



Partial ditto 16 



— 48 



Winter visitors 66 



Partial ditto 2 



— 68 

 Spring and autumn migrants .... 18 

 Partial ditto 14 



— 32 



Accidental 34 « 



Partial ditto 101 



135 



391 

 Residents. 



Of the 108 species of British Birds which are most accurately described 

 as Residents, 3 have not occurred in England, 3 are unknown in Scotland, 

 whilst as many as 10 are not known to have visited Ireland. 



The following species may be regarded as residents both in England, 

 Scotland, and Ireland : — 



Falco peregrinus. 

 Falco tinnunculus. 

 Falco (Bsalon. 

 Buteo vulgaris. 

 Accipiter nisus. 

 Sti'ix otus. 

 Altico flammeus. 

 Corvus corax. 

 Corvvs corona. 

 Corvus monedula. 

 Corvus frugilegvs. 



