PERCHING BIRDS 
667 . Black-throated Green Warbler. 
Dendroica virens. 
Range. — Eastern United States, breeding from 
southern New England, South Carolina in the Al- 
leghanies, and Illinois north to Hudson Bay; win- 
ters south of the United States. 
These common eastern birds are 
similar to the last but the entire 
upper parts are olive greenish. 
They are nearly always found, and 
always nest, in pines, either groves 
or hillsides covered with young 
pines. The nest are usually placed 
out among the pine needles where they are very 
difficult to locate, and resemble nests of the Chip- 
ping Sparrow. I have found them at heights rang- 
ing from six to forty or fifty feet from the ground. 
The three or four eggs, which they lay in June, 
are white, wreathed and speckled with brownish 
and lilac. Size .60 x .50. 
668. Townsend’s Warbler. Dendroica 
townsendi. 
Range. — Western United States, 
from the Rockies to the Pacific and 
from Alaska southward; winters in 
Mexico. 
This is the common western rep- 
resentative of the last species, and 
is similar but has black ear patches 
and the crown is black. They nest 
in coniferous woods throughout their United 
States and Canadian range, the nests being placed 
at any height from the ground and being con- 
structed like those of the Black-throated Green. 
Their eggs are not distinguishable from those of 
the latter. Size .60 x .50. 
Black-throated Green 
Warbler 
Townsend’s Warblers 
403 
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