ROCK DOVE. 199 



numerous in the north, and particularly in those parts 

 which abound in caves and caverns. It is about the 

 same size as the Stock Dove, and in former times no 

 distinction was made between the two species, but 

 now the two are acknowledged to be unlike both as to 

 habits, plumage and the localities they frequent. The 



ROCK DOVE. 



Stock Dove is of a deeper blue grey than the Rock 

 Dove, and the latter has a patch of white on the 

 rump and two distinct black bands on the wings, much 

 more defined than the dark marks on the wings of the 

 Stock Dove. 



Although the Rock Dove is a dweller on the coasts, 

 yet it often makes long daily inland journeys for its 



