76 VERTEBRATES: BIRDS. 



WARBLERS. 



Warblers are among the smallest, most beautiful, and 

 interesting of singing birds. Many kinds are generally 

 found in the same locality, and may be seen gliding 

 among the thick foliage, busily engaged in catching 

 minute insects which hide beneath the leaves and in 

 the buds and blossoms, and which often escape the 

 sight of other and larger birds. Some of the Warblers 

 are the sweetest of songsters, as the celebrated Nightin- 

 gale, of Europe, shown in Figure 123. More than fifty 

 kinds are found in the United States; and their very 

 names are beautiful, and give us some idea of the ap- 

 pearance of these charming little creatures. Some of 

 the more common are the Maryland Yellow-throat, the 



Fig. 124. Maryland Yellow- Fig. 125. Blackburnian 



throat. Warbler. 



Blue-winged Yellow Warbler, the Golden-winged War- 

 bler, the Orange-crowned Warbler, the Golden-crowned 

 Warbler or Thrush, the Black-throated Green Warbler, 

 the Yellow-rump Warbler, the Bay-breasted Warbler, 

 the Chestnut-sided Warbler, the Blue Warbler, the 

 Black Poll Warbler, the Yellow Warbler, the Black and 

 Yellow Warbler, the Yellow Red Poll, the Yellow-throat- 

 ed Warbler, the Blackburnian Warbler, &c. 



SWALLOWS. 



These beautiful birds have long wings, short legs, 

 and short, wide bill, and they spend much of their time 



