374 INSECTIVOROUS BIRDS. 



Tail emarginate, exteriorly edged with olive-yellow. — In the female, 

 the throat and breast are yellow, only slightly tinged with blackish j 

 the black does not reach so far down the upper part of the neck, and 

 is less deep. The young ? have little or no black on the head or neck 

 above. 



YELLOW-THROATED GREY WARBLER. 



(Sylvia pensilis, Lath. Audubon, pi. 85. Orn. Biog. i. p. 434. 

 5. flavicollis, Wilson, ii. p. 64. pi. 12. fig. 6.) 



Sp. Charact. — Bluish-grey; frontlet, ear-feathers, lores, and a 

 space above the eyes, black ; throat and breast yellow; belly and 

 line over the eye white ; sides spotted with black ; wings and 

 tail black, varied with white. — Female duller colored ; the young 

 without the yellow and black marks. 



This elegant and remarkable species resides in the 

 West Indies, and also migrates in considerable num- 

 bers into the southern parts of the United States, partic- 

 ularly Louisiana, from whence indeed they only absent 

 themselves in the two inclement months of December 

 and January. They are seen in February in Georgia, 

 but very rarely venture as far north as Pennsylvania. 

 Their song is pretty loud and agreeable, according to 

 Wilson, resembling somewhat the notes of the Indigo 

 bird. In the tropical countries it inhabits, this delicate 

 music is continued nearly throughout the year, and par- 

 ticipated also by the female, though possessed of inferior 

 vocal powers. It appears to have many of the habits 

 of the Creeping Warbler {S. varia), running spirally 

 around the trunks of the Pine trees, on which it alights, 

 and ascending or descending in the active search of its 

 insect fare. 



The sagacity displayed by this bird in the construction 

 and situation of its nest is very remarkable. They are 



