412 



ENGLISH BIRD-LIFE 



than ours, and are, consequently, not exposed to the dangers 

 which beset birds making extended journeys in part over 

 large bodies of water. Furthermore, those that remain in 

 England throughout the year have not to contend with the 

 severe winters which so often bring disaster to our perman- 

 ently resident birds. 



Bass Rock from the Mainland 

 Inlthe foreground a flock of Eiders ; with a male on shore in breeding plumage 



The importance of this suggestion is emphasized when it 

 is expressed in figures. Thus, the list of birds of regular oc- 

 currence in Great Britain, numbers about 225, of which no 

 less than 134 are, as species or individuals, permanently res- 

 ident ; while the list of birds recorded from within a radius 

 of 50 miles of New York City, exclusive of 'accidental' spe- 

 cies, is 310, of which only 35 are permanently resident. 



It is also of first importance to observe that the abundant 

 British birds of to-day, the conspicuous successes in bird- 

 life, are admirable illustrations of the rigid sifting effects of 



