Range Extent CommentsBREEDING: southern California, northwestern and central Arizona, western Colorado (probably), northern New Mexico, western Texas south to western Peru, Uruguay, Paraguay, Brazil, and Argentina. NON-BREEDING: mostly from northern Mexico (casually from southern California and southern Arizona) south through breeding range. FLAVA group: isolated savannas of southern Guyana and Suriname and northeastern Brazil north of Amazon; interior and southern Brazil, eastern Bolivia, Paraguay, Uruguay, and northern Argentina. LUTEA group: northern coastal mountains of Venezuela, Colombia (locally), western Ecuador, western Peru, and nw. Bolivia; Santa Marta Mountains of Colombia-Venezuela border; slopes of tepuis and other isolated mountains in southern Venezuela, adjacent northern Brazil, Guyana, and Suriname; Trinidad. See Ridgely and Tudor (1989) for further details.