United States National Museum 

 Bulletin 211 



LIFE HISTORIES OF 

 NORTH AMERICAN 

 BLACKBIRDS, ORIOLES, 

 TANAGERS, AND ALLIES 



Order Passeriformes: Families Ploceidae, 

 Icteridae, and Thraupidae 



By ARTHUR CLEVELAND BENT 



SMITHSONIAN INSTITUTION . WASHINGTON, D. C. . 1958 



