20. 



Above black, mantle only with creamy buff 



Avavy bars ; iipjicr tail-coverts white ; tail })iiii 



M'ith 13 or 14 black bars and a broad terminal 



band. 



Poll/boms cherncay (Jaeq.), Beitr., p. 17. tab. 



4 (1784). 



Audubon's Caracara. 



Paler insular race. 



20a. Polyborus cheriuay pallidus Nelson, Pr. Biol. 



Soc, Wash., xii., p. 8 (1898). 



Tres Marias Caracara. 



General plumage marked with transverse bars 

 of brownish black and browaiish white ; crown, 

 wing-coverts, terminal portion of primaries 

 and terminal band on tail blackish bro\^^^. 



21. Polyborus liitosus RidgM., Bull. U.S. Geol. 

 Surv. Terr., i, p. 459 (1875). 



Guadeloupe Caracara. 



Gen. XV. IBYCTER Vieill. (1816). 



Head generally with recurved crest. 

 Nostrils round. Size variable (16-25 in.). 



Plumage black with greenish reflections ; a 

 white band across base of tail. 



22. Ibycter ater (Vieill.), Anah se, p. 22 (1 816). 

 Yellow-throated Caracara. 



Plumage black with greenish reflections, but 

 abdomen white ; face and throat deep red. 



23. Ibycter americaims (Bodd.), Table PI. Enl., 

 p. 25 (1783). 



Red-throated Caracara. 



Phnnage black \\\{\\ greenish reflections, but 

 upper tail coverts, base and ti]) of tail and 

 abdomen white. 

 24. Ibycter megalopterus (Meven), Nov. Act. Caes., 

 xvi., Suppl., i., p. 64. 1)1. 7 (1834). 

 JMountain Caracara . 



S. United 



States, 



Central 



America, 



Northern 



S. America. 



Tres ]\Iarias 

 Is., W. 

 Mexico. 



Guadeloupe 

 Is., W. 

 Mexico. 



Amazon 

 District of 

 8. America. 



Tropical S. 

 America and 

 Central 

 America, 

 from Brazil 

 to Guate- 

 mala. 



8. America, 

 Pacific side 

 of Andes 



