THE CHESTNUT-SIDED WARBLER 



By T. GILBERT PEARSON 



THE NATIONAL ASSOCIATION OF AUDUBON SOCIETIES 

 Educational Leaflet No. 85 



Among the most charming birds in the world are the members of 

 that group classified as the family of Wood Warblers, containing about 

 one hundred and fifty-five known species. They are found in no country 

 but America. Seventy-four kinds occur in North America, and fifty-five 



CHESTNUT-SIDED WARBLER ON NEST 



Photographed by Herbert K.' Job 



of these have been recorded in the United States. They are small birds, 

 measuring as a rule less than five and one-half inches from the bill-tip 

 to the tail-tip. Most of them are birds of the woods and thickets, a 

 few only venturing into the open country. The Warbler's bill is longer 

 than that of most small birds and is well adapted for seizing the soft- 

 bodied insects upon which it so largely preys. 



One of the most common members of the family in the Eastern States 

 is the Chestnut-sided Warbler. The general appearance of the male is 

 that of a particularly trim little bird with olive-green back and bright 

 yellow crown ; the under parts are lighter, and the sides are marked by 

 deep chestnut that is the way the male looks in spring, at which season 



