THE RED-EYED AND THE WHITE-EYED VIREOS 287 



THE VIREO FAMILY 



Vireonidae 



It is quite difficult to point out peculiarities by which the 

 vireos can be distinguished from the warblers. They are 

 placed next to the shrikes because of a supposed resemblance 



RED-EYED VIREO. 



to those birds in the shape of the upper mandible hooked 

 and notched. The vireos look so much like warblers that 

 only an expert can distinguish them. 



THE RED-EYED ViREO 1 is distinguishable at close range 

 by its red eye with a white line over it, and the WHITE-EYED 

 ViREO 2 also is marked by the white color of its eyes. Both 

 are fairly good songsters, and the former is about as "do- 



1 Vir'e-o ol-i-va'ce-iis. Length, 6 inches. 



2 V. no've-bo'ra-cen'sis. Length, 5 inches. 



