Vireos. 



Order, Passeres. 

 Family, Vireonidae. 



Family Characteristics: Mostly heard from the foliage of trees 

 where they feed. Though common, they are rarely seen. Small birds 

 about the size of sparrows, but more suggestive of the warblers. Their 

 plumage is a combination of yellow, drab, gray and white. They live 

 almost entirely on bugs and insects which they find on trees. 



624. RED-EYED VIREO. Yireo oUvaceus. Slightly longer than 

 the English sparrow. Called "Teacher" because of its song. Light 

 olive above, white below. Long, white mark over its eyes. Keeps well 

 in hiding among the tree-leaves. Eyes red. Points light yellow. 



627. "WARBLING VIREO. Yireo Gilvus. Nearly an inch shorter 

 than the English sparrow. Habits similar to those of the red-eyed 

 vireo. Olive-gray above, yellowish-white below. Sides of breast and 

 shoulders pale yellow. White line through the eye. 



626. PHILADELPHIA VIREO. Yireo Philadelphicus. Over an 

 inch shorter than the English sparrow. Olive above, lighter on crown. 

 Yellow below. White line over the eye. 



631. WHITE-EYED VIREO. Yireo novehoracensis. Nearly an 

 inch shorter than the English sparrow. Olive above, white below. 

 Sides yellowish. White wing-bars. A yellow line around its white 

 eyes identify it. 



