BIRDS OF GUERNSEY. 209 



which they are the "Mouette a pieds bleus" of 

 Temminck. 



Professor Anstecl mchides the Common Gull m 

 his list, and marks it as occurring in Guernsey 

 and Sark. There is no specimen in the Museum. 



170. Great Black-backed Gull. Lams mariuusy 

 Linnaeus. French, " Goeland a manteau noir." — 

 The Great Black-backed Gull is by no means so 

 numerous in the Channel Islands as the Herring 

 Gull and the Lesser Black-back, and is here as 

 elsewhere a rather solitary and roaming bird. A 

 few, however, remain about the Channel Islands, 

 and breed in places which suit them, such as 

 Ortack, which I have before mentioned, as the 

 breeding-place of the Eazorbill and Guillemot ; and 

 we found one nest on one of the rocks to the north 

 of Herm, but it had been robbed, as had all the 

 other Gulls' nests about there ; we saw, however, 

 the old birds about, and Mr. Howard Saunders 

 found one nest on the little Island of Le Tas, close 

 to Sark; it was quite on the top of the Island, 

 and there were young in it. I have one splendid 

 adult bird, shot near the harbour in Guernsey, in 

 March : I should think this is rather an old 

 bird, as, although there are slight indications of 

 winter plumage on the head, the white tips of the 

 primaries are very large, that of the first extending 



p 



