REDPOLL. 
528. Acanthis linaria. 5% inches. 
Male with a rosy breast; female without. 
In winter these northern birds may be found in flocks 
gathering seeds from weeds by the roadside and stone 
walls. Their actions greatly resemble those of our 
Goldfinch, but their flight is more rapid. 
Song.—Strong, sweet and canary-like. 
Nest.—At low elevations in bushes or trees; eggs 
three to five, pale greenish blue with brown specks. 
Range.—Breeds in the extreme north; winters south 
to northern U. 8S. 
Sub-species.—528a. Holboell Redpoll (holboelli), 
slightly larger. 528b. Greater Redpoll (rostrata), 
larger and darker. 
GREENLAND REDPOLL. 
527. Acanthis hornemannii. 6 inches. 
A larger and much whiter species found in Green- 
land and migrating to Labrador in winter. 527b. 
Hoary Redpoll (exilipes), smaller and darker, but still 
lighter than the Redpoll; winters south to Massachusetts. 
