627. Vireo gilvus 
WARBLING VIREO. 5 1-2 inches 
Male and Female alike. Above olive-brown; no wingbars. Be- 
low dull white, tinged with yellow on sides. 
Frequents tall trees of the village and roadside, also in open wood- 
lands; prefers the upper branches and is a constant singer. Com- 
mon in Massachusetts. Arrives about May 5. 
Song. A rich, mellow warble, suggesting the Purple Finch’s. 
Nest. A tiny hanging cup on a forked branch high up in a tree. 
Breeds. Throughout New England, more common in southern 
part. 
74 
