224 



cassell's book of birds. 



Derwent. Waterfalls, rippling streams, and mountain lakes are the localities they most delight in ; 

 and in the vicinity of these they often remain throughout the entire year, always providing that during 



WATER OUZELS AND KINGFISHER. 



the winter the ice upon the surface of the water does not so entirely cover it as to prevent them from 

 indulging in the constant immersions that may be said to be almost necessary to their existence. It 

 is not uncommon to see the banks of a mountain stream, from its source to its fall, occupied by a party 

 of these birds, each pair taking possession of about a quarter of a mile of water, and living strictly 



