514 MIGRATION OF BRITISH BIRDS. 



CLOVEN FOOTED WATER FOWL. 



Herons. 



Curlews. 



Woodcocks. 



Sandpipers. 



Thiers. 



The crejled Heron and the white Heron 

 are uncommon birds, and vifit us at 

 uncertain leafons •, the common kind 

 and the Bitlem never leave us. 



The Curkw breeds fometimes on our 

 mountains ; but, confidering the 

 vaft flights that appear in winter, we 

 imagine the greater part retire to 

 other countries : the Wbimbrel en- 

 tirely leaves England in the fpring. 



The Woodcock breeds in the moid 

 woods of Sueden, and other cold 

 countries. Some Snipes breed here, 

 but we believe the greater! part retire 

 elfewhere ■, as do every other fpecies 

 of this genus. 



The Lapwing continues here the 

 whole year -, the Ruff breeds here, 

 but retires in winter; the Redjhank 

 and Sandpiper breed in this country, 

 and refide here. All the others ab- 

 fent themielves during fummer. 



The green T Hover , long legged P lever 

 snd Sanderling, vifit us only in winter j 



the 



