BRITISH BIRDS' NESTS. 



269 



and ledges ; also in crevices of high, inaccessible 

 rocks on all the islands of the St. Kilda group, 

 where the species breeds in great numbers. The 

 bird has also established itself in the Shetland 

 Islands within the last quarter of a century, and 

 on the Island of Handa and the mainland of 

 Scotland, near to Thurso, quite recently. 



Materials. Dried grass and tufts of sea pink, 



EGG OF FULMAR PETREL 



generally nothing at all except a few chippings 

 of stone. 



Egg. One ; white and rough when newly laid, 

 but quickly becoming soiled. Average size about 

 2.9 by 1.98 in. 



Time. May and June. 



Remarks. Resident, but wandering. Note: 

 Seebohm says it is "a very silent bird/' and Mac- 

 gillivray, " I never observed them " (the birds at 

 St. Kilda) "utter any cry when flying, or even when 



