THE BIRDS OF GREENLAND. 59 



114. Yellow-headed Blackbird. (Xanthocephalus xan- 



thocephalus.) 



A chance visitor to South Greenland. 



115. White- winged Crossbill. (Loxia kucoptera.) 

 Rare in South Greenland. 



116. Greenland Redpoll. (Acanthis hornemannii.) 



Resident ; breeds quite commonly north of 69. In win- 

 ter it occurs farther south. 



117. Greater Redpoll. (Acanthis linaria rostrata.) 



A summer visitor, but is occasionally met with in small 

 flocks or singly in winter. It is very prolific in South Green- 

 land, but less so in North Greenland. Eggs laid from May 

 20 to June 27. Number of eggs in a set, 4 to 6. 



118. Snowflake. (Plectrophenax nivalis.) 



Very numerous ; breeds throughout the country. The 

 majority migrate, but a small number remain over winter. 

 Eggs laid from May 25 to June 25. Number of eggs in a 

 set, 5 to 8. 



119. Lapland Longspur. (Calcarius lapponicus.) 



A summer visitor ; breeds anywhere in North Greenland, 

 as well as in the southern division (at least as far as 70J 

 N. lat.). Eggs laid from June 11 to July 6. Number of 

 eggs in a set, 5 to 8. 



120. White-crowned Sparrow. (Zonotrichia kucophrys.} 



Occurs sparingly in South Greenland ; may perhaps lay 

 eggs there. 



