88 THE BIRDS OF 



During the spring of 1910 a pair stayed 

 for about two weeks at a small pond. 

 There are several other records of its 

 occurrence. 



Some winters when food is scarce in 

 the North, the northern birds are to be 

 found commonly in New Jersey; and 

 other winters almost none are seen. The 

 winter of 1910 was one of the former 

 kind, and Pine Siskins and Redpolls 

 were both common in the Somerset Hills. 

 Siskins were first seen in 19 10 on Octo- 

 ber eleventh and from that time until 

 December twenty-sixth, they were seen 

 several times. On October seventeenth, 

 a flock of seventy-five birds was counted, 

 and on the same day a small flock was 

 seen in another spot. The large flock 

 was feeding on the seeds of the birch 

 tree at the time. No Siskins were 

 seen from December twenty-sixth until 

 March fifth, at which date ten or twelve 



