166 



Order IX 



and the Canaries. The range also extends over 

 western Asia and north India, but complications arise 

 from the presence of nearly allied species in those 

 regions. A bird of the cliffs and caves, where it makes 

 its nest, the Rock-dove passes a little inland to feed, 

 its general habits being those of the Stock-dove. Our 



Rock-Dove 



three Pigeons are easily distinguished ; all are greyish 

 blue with green and purple reflexions on the neck, but 

 the Wood-pigeon and Stock-dove have a much more 

 wine-coloured breast, and the former of these has white 

 on the wings and sides of the neck. The latter has 

 broken bars of black on the wing and shews no white 

 anywhere; the Rock-dove has a white rump and two 



