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VOL. V 



JANUARY. 1905. 



NO. 1 



WARBLHRS OF THE GENUS GEOTHLYPIS, 



All the members of this group are ground-inhabiting birds and are 

 usually found in the low underbush in swamps or marshy land, They 

 all have olive-green backs and rounded tails, wholly devoid of 

 markings, and their tarsi and toes are yellowish flesh color. They all 

 nest on the ground or very close to it. 



KENTUCKY WARBLER. 



A. O U. No. 677. (Geothlypis formosa). 



RANGE. 



Eastern United States, breeding from the Gulf, north in the Mississippi 



Valley to Michigan and on the coast to New Jersey and Pennsylvania. 



DESCRIPTION. 



Length 5.5 inches. The plumage of the adults is very similar, differ- 

 ing only in the slightly brighter colors of the male. They are greenish 

 on the back, wings, tail and flanks; the underparts are yellow, very 

 bright on the throat and breast; a black cap more or less broken behind, 

 covers the crown and a black triangular patch on the ears extends for- 

 ward to the bill, being separated from the crown by a yellow super- 

 ciliary line which curls behind the eye. The young birds differ from 

 the adults in having less black than the female adult. 



NEST AND EGGS. 



The Kentucky Warbler builds a large nest of leaves, fibres and root- 

 lets lined with horse hair and placed on the ground or not more than 

 two feet above it. Usually it is found in a clump of weeds or tall grass 



