Paraguay and campos of Buenos Aires, Argentina.
Closely related to P. falcinellus, of which formerly considered a race; hybrids reported in captivity, but not known under natural conditions in narrow zone of overlap (in S Louisiana, Alabama and possibly E Texas, USA). Monotypic.
SW Canada (S Alberta), and W, C & S USA (including coastal Louisiana and Texas) S down both coasts of Mexico, wintering S to N Central America. Also resident in SC South America from SE Bolivia, Paraguay and S Brazil to NC Chile, NC Argentina and Uruguay.
Food and feeding
Status and conservation
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