Measurements.-~ Fenale (2) 
Male (3) 
Wing, 181-150 (186.6) a Boies 
Pet C27 ea) Tarsus, 62. 5-64 
Tarsus 58-65 (61.8) 
Exposed culmen, 23.5-27 (25) Exposed culmen, 22-24.5 
General Distribution.--Southern part of the Territory of Quintana Roo and a ata 
adjacent parte of Campeche, northern Belize (British Honduras), and the Petén. 
, 
Distribution in Guatemala.--Tropical Zone forests and brushlands of the Peten. 
ee ee a 
cur near La Libertad, Bl Petén. 
.-- ad by local hunters to oc 
—— a epnatihes Hs ded from Uaxactun and Chuntugui (Van Tyne). 
In literature: The race has been recor 
Habits and Hunting.--See the comments under leucogastra. 
24, Ortalis vetula plumbiceps G R. Gray 

Plumbeous-capped Chachalaca 
Other Names.~-- : 
Guatemalan: chacha, chachalaca, faisan 
Statug.--The plumbeous-capped chachalaca is reported to be a relatively common resident 
in the more open, drier woodlands of its range. 
Descrintion.--Similar to the subspecies vetula, except that the tips of the tail 
feathers are noticeably bicolored, the basal part of the tip tawny brown, the outer part 
erayish to whitish. : 
Measurements.-- 
Male (1) Female (2) 
Wing, 189 Wing, 180-194 
Tail, 238 Tail, 230-261 
Tarsus, 66 Tarsus, 63-65 
Exvosed culmen, 25 Exposed culmen, 23. 5-24 
General Distribution.--Southeastern Guatemala and northwestern Honduras south to the 
highland region of central Nicaragua. 
Distribution in Guatemala.--Tropical Zone forests of the lower Motagua Valley and near 
Puerto Barrios; probably also in the lower Polochic basin. 
Records.-~Progreso, El Progreso, March 26, 1942, and May 9, 1947; Cabanas, Zacapa, May 8, 
1947. It is reported by local hunters to occur near Gualdn and Bananera, 
In literature: Gualdn and Los Amates (Dearborn); Virginia Plantation near 
Puerto Barrios (Griscom); Gual4n and QuiriguAé (Carriker and de Schavensee). 
Habits and Hunting.--See the comments under leucogastra. 
25. Ortalis vetula leucogastra (Gould) 

White-bellied Chachalaca 
Other Names. -—- 
Guatemalan: chacha, chachalaca, faisan 
English: brush pheasant 
Status.--The white-bellied chachalaca is a very common resident of the drier woodlands on 
the Pacific coastal plain. 
Descrintion.--Similar to subspecies vetula except belly, abdomen, erissum, and under tail 
coverts white, and tips of tail feathers white. ; 
38 
