248 Bird Studies. 



The most common of the group in the United States is the Redpoll. It 

 is about five inches long, the back is, on the whole, dark, the feathers have 



tawny yellowish brown margins. 

 Redpoll. The R e dpoll breeds far north in the Northern Hem- 



Acanthis linaria (Linn.). . . . . 1 i -NT i A 



isphere, and migrates irregularly south in North America, 

 as far as Virginia and Illinois. 



Holboll's Redpoll is the race of this bird that breeds in the northern 

 portions of Europe and Asia, and also in parts of Alaska. It has been re- 

 Holboll's Redooll cor< ^ e< ^ nce m Massachusetts and once in Quebec. 



ria hoiboeiiii It is a larger bird than its ally, the Redpoll, with a 



proportionately longer bill. 



The Redpoll that breeds in Southern Greenland is also a race of the 



common Redpoll, and is known as the Greater Redpoll. It is the largest of 



Greater Redooll *^ e linaria group, being about five and a half inches long, 



Acanthis Hnaria rostrata and is rather darker in color than its congeners. It 



migrates irregularly to the Northeastern United States 



in winter, to New England, and Northern Illinois. 



The Greenland Redpoll, which breeds in Northern Greenland, and 



ranges south through Labrador in winter, is the second of our two kinds of 



Greenland Redpoll Redpolls. I* ^ s tri e largest of the Redpolls, being about 



Acanthis homemannii six inches long. The back is dusky grayish brown, light 



as compared with A. linaria, and the feathers with 



whitish or grayish margins. There is little or no streaking on the rump and 



less streaking on the sides and flanks. 



The Hoary Redpoll is the race of the Greenland Redpoll that some- 

 times crosses our borders in winter. It breeds in the Arctic regions of the 

 Hoary Redpoll Northern Hemisphere. It is smaller than its congener, 

 Acanthis homemannii ex- the Greenland Redpoll, being about five inches and a 

 quarter long and of even lighter general color, whence its 

 name. 



