CALAVERAS WARBLER. _ 
645a. Vermivora rubricapilla gutturalis. , ^ 1 / 4 inches. ^ 
Found in the Pacific coast regions, breeding from central 
California north to British Columbia. Winters south to Mex¬ 
ico In Oregon and California, these birds are quite common 
in favorable localities on the mountain sides. They build 
their nest on the ground in a slight depression, making 1 
of twigs and grasses, and usually well concealed with over¬ 
hanging grass or brush. Their four eggs are a creamy white, 
with fine spots of brown and lavender, forming a wreath about 
the larger end (.60x.45). 
ORANGE-CROWNED WARBLER. 
646. Vermivora celata. 4)4 inches. 
Range. —Central North America, breeding in the Rockies 
locally from Alaska to Mexico. Crown with a concealed, dull 
orange patch. Nesting habits and eggs same as above (not 
illustrated). 
LUTESCENT WARBLER. 
646a. Vermivora celata lutescens. 4)4 inches. 
This bird is found breeding from Alaska along the Pacific 
coast to southern California. Nest placed in similar locations, 
and the eggs are the same as above (.60 x.45). 
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