BRITISH BIRDS, 
198 
the fliores, and depofitmg their two eggs upon the 
bare rock ; others lay three or four eggs in a hole 
made in the dry fand 5 and fome kinds neftle among 
the reeds and ruflies in the marfhy borders of the 
lakes which they frequent. The young ones keep 
the neft a good while after they have been hatched, 
not offering to leave it until their wings have attain- 
ed fufficient length and ftrength to enable them to 
fly with eafe and fafety. ' 
One kind or another of thefe birds is met with by 
navigators in almofl every part of the world. La- 
tham enumerates twenty-three fpecies, befides varie- 
ties : five of the former and one of the latter are 
Britifh, 
