VIREOS 



(623) Vireosylva calidris barba- 



tula (Cab.) 



BLACK-WHISKERED VIREO. 

 Similar to the next species but with a 

 dark streak on either side of the 

 throat. Southern Fla., the Bahamas 

 and West Indies. 



(624) Vireosylva olivacea 



[Linn.) (Lat.. green woods; olive-colored). 



RED-EYED VIREO; GREEN- 

 LET. Plumage as shown; top of 

 head gray with a narrow black border 

 on tlie sides, separating it from while 

 superciliary stripes; upper parts olive- 

 green; below dull whitish. L., 6.25; 

 W., 3.20; T., 2.25; B., .65. Nest — 

 Of bark and fibres, linecl with bark and 

 grasses; suspended in forks of bushes; 

 eggs white with few black specks. 



Range — Breeds throughout the 

 U. S. and southern Canada. 



times they are. At other times they are economically of 

 great value for they kill great quantities of insects, especially 

 grasshoppers. They have a habit of transfixing these, and 

 also small birds, many of which they kill in winter when other 

 food is scarce, on thorns. Sometimes this is done to hold 

 their prey while they tear it to pieces and at other times it is 

 merely to preserve the quarry for future use as they com- 

 monly kill more than they can eat. During winter, they 

 are practically fearless and will come into cities and capture 

 English Sparrows. If they would confine their diet to these 

 birds, I am sure that most of us would like to see them come 

 more often. I once saw one strike a sparrow down, in the 

 street, and it was so engrossed in its work that it allowed me 

 to pick it up and carry it to the house, where it continued its 

 repast as I held the sparrow in my hand. 



However one many regard shrikes at other seasons, every 

 one admits that they are model birds during the nesting 

 season. They are very devoted to one another and to their 



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