THE PEREGRINE FALCON. 



107 



Distribution. — British Isles.— Irregular winter and spring-visitor 

 (sometimes May), chiefly Scotland (especially islands) and Ireland 

 (especially north and west coasts), occasionally north England, and 

 elsewhere very rarely, viz. :■ — Denbigh, Brecon, Pembroke, Norfolk, 

 Suffolk, Sussex, Wilts., Devon and Lundy Island, Cornwall and 

 Scilly Isles. 



Distribution. — Abroad. — Breeds in Greenland, arctic N . America 

 and arctic Asia, east to Commander Islands, straying casually to 

 west Europe (Faeroes, north France, Germany, not so rarely to 

 Iceland, and in America to Nova Scotia and Maine). (Difference of 

 Labrador form doubtful.) 



THE PEREGRINE 



FALCO PEREGRINUS 

 245. Falco peregrinus peregrinus Tunst.- 

 FALCON. 



Falco Peregrinus Tunstall, Ornithologia Britannica, p. 1 (1771 — 



ExBrit. Zool., p. 136— Great Britain). 



Falco peregrinus britannicus Erlanger, Journ. f. Orn., 1903, p. 296 



(England). 



Falco peregrinus J. F. Gmelin, Yarrell, 1, p. 53 ; F. peregrinus Tunstall, 



Saunders, p. 347. 



Des crip tion 

 (Plate 4).— Adult 

 male. Winter and 

 summer. — W hole 

 crown, nape and 

 back of neck 

 blackish slate- 

 grey, sometimes 

 quite black with 

 a bluish tinge ; 

 bases of feathers 

 of nape white or 

 tinged buff occa- 

 sionally showing 

 slightly ; upper 



mantle same, but feathers with blue-grey tips ; lower mantle, 

 scapulars, back and upper tail-coverts pale blue-grey, feathers with 

 blackish shafts and dark slate-grey bars ; round eyes, ear-coverts 

 and broad moustachial stripe blackish as crown ; between mous- 

 tachial stripe and ear-coverts a small patch of greyish-white or buff 

 finely streaked blackish ; chin and throat white often tinged pinkish- 

 buff ; upper-breast same but often with deeper tinge of pinkish- 

 bufr, feathers with fine blackish shaft-streaks, often broadening to a 

 drop-like shape and rarely with blackish spots ; rest of under-parts 

 somewhat darker and usually closely barred blackish, bars varying in 

 width individually and sometimes reduced to spots down centre of 



Juvenile Peregrine Falcon {Falco p. peregrinus). 



