6 3 6 



The Sparrow-like Birds 



a loud, clear, not unmusical whistle, and in others a monotonous chant. Many 

 are said to possess decided ventriloquial powers, throwing their voices so as to 

 deceive as to their position and distance. Comparatively little is known regard- 

 ing their nesting habits. 



FIG. 187. Ant-Thrushes, Grallaria dives (upper figure). 

 Gr attar ia perspicillata (lower figure). 



Bush -birds. The Ant-birds are divided into three not very sharply denned 

 groups, among them the so-called Ant-Shrikes (ThamnophilincK), which include 

 the largest and most widely distributed representatives of the family. In these 

 birds the bill is large, deep, and compressed, and terminates in a strongly hooked 

 and toothed tip, very much as in the bill of a Shrike, on which account, and 



