BLUE GROSBEAK. 
597. Guwiraca cerulea. 7 inches. 
Male, deep blue with chestnut shoulders; female, 
grayish brown above and grayish white below. 
Open woods, small groves and roadsides are the lo- 
cations in which these birds will be apt to be found. 
In some places they are fairly common, but nowhere 
abundant. Their habits are very similar to those of 
the Rose-breasted Grosbeak. 
Song.—A rapid varied warble, similar to but louder 
and stronger than that of the Indigo Bunting. 
Nest.—Of twigs, weeds and grasses, lined with fine 
rootlets; placed in thickets, bushes or low trees; four 
or five plain bluish-white eggs (.85 x .62). 
Range.—Fastern U. S., breeding from the Gulf to 
Maryland and Illinois; winters south of U. 8. 
Sub-species.—597a. Western Blue Grosbeak (la- 
mula). Male of a brighter shade of blue than the east- 
ern; found from the Mississippi to the Pacific, breeding 
north to Kansas, Colorado and northern California. 
