AMERICAN ORNITHOLOGY. 



321 



With some difficulty we rounded up some of the sheep where we 

 could make a photograph of them. 



colony on the other side of the island. Other avian residents on Great 

 Duck Island besides the gulls, sparrows and sandpipers, were Leach's 

 Petrels which had honeycombed the higher parts with their burrows, 

 Black Guillemots which were numerous and nested on the more rocky 

 and precipitous northeastern side, a few pairs of White-bellied Swallows 

 that nested in holes in the decayed pine stubs, many Juncos and an 

 Owl which was heard several times but not seen. Several hundred 

 sheep are on the island and some of them were in sight at most any 

 time. These animals which are owned by a party living on the main- 

 land are left on the island all winter with little shelter and no food ex- 

 cept what they can gather along the shores. We also learned that 

 there were several cats on the island and these accounted for about a 

 dozen Petrel burrows that we found torn up; a few small mounds of 

 gray feathers told the rest of the story. The cats certainly found prov- 

 ender very abundant and easily obtained. 



The third day we spent on Little Duck Island a smaller island locat- 

 ed about a mile north of Great Duck. Although not having more than 



