BLUE-WINGED WARBLER. 
641. Vermivora pinus. 4°%4 inches. 
Crown and underparts yellow; a narrow black line 
through the eyes; two broad whitish wing bars. 
A common bird of the southeastern states and north 
to Connecticut, frequenting open woods, thickets and 
gardens. They are ground birds, spending most of their 
time on the ground or in low bushes which they clean 
of the insects which are destructive. 
Song.—A loud, rapid chirrup, similar to that of the 
Grasshopper Sparrow but loud and distinct. 
Nest.—Of leaves and strips of bark, lined with fine 
erasses; on the ground in clumps of weeds or black- 
berry vines; eggs white, sparingly spotted around the 
large end with rufous (.65 x .50). 
Range.—Eastern U. S., breeding north to southern 
Connecticut and Wisconsin; winters in the tropies. 
Hybrids.—Lawrence Warbler, which is a hybrid be- 
tween this species and the next; it has the general 
plumage of this species with the black ear patches and 
throat of the Golden-winged Warbler. It is found 
chiefly in southwestern Connecticut and New York. 
