Superfamily CRACOIDEA: Megapodes, Curassows, and Allies
112 FAMILY CRACIDAE Order GALLIFORMES: Gallinaceous Birds SuperfamilyCRACOIDEA: Megapodes,Curassows, and Allies Family CRACIDAE: Curassowsand Guans Genus ORTALIS Merrem Ortalida [accusative case] -- Ortalis [nominative] Merrem, 1786, Avium Rar. Icones Descr.2: 40. Type, by originaldesignation, Phasianus motmot Linnaeus. Ortalis vetula (Wagler).Plain Chachalaca. Penelopevetula Wagler, 1830, Isis von Oken, col. 1112. (Mexico -- near city of Ve- racruz, Veracruz; Miller and Griscom, Auk 38: 455, 1921.) Habitat. TropicalLowland EvergreenForest Edge, Gallery Forest,Secondary Forest, woodedresidential areas (0-1850 m; Tropical Zone). Distribution.--Resident on the Gulf-Caribbeanslope from southernTexas (lower Rio GrandeValley) and Nuevo Le6n souththrough the lowlandsof easternMexico (including the Yucatan Peninsulaand Isla Cancun), Belize, and easternGuatemala to northernHonduras (including Isla Utila in the Bay Islands), and in the interior valleys of Chiapas,central Honduras,and north-centralNicaragua; also northwestern Costa Rica (Guanacaste). Introducedand establishedon islandsoff the coastof Georgia(Sapelo, Blackbeard, and Little St. Simons). Notes.--The isolatedpopulation in northwesternCosta Rica was assignedto O. leuco- gastra by A.O.U. (1983, 1985) and Sibley and Monroe (1990). Ortalis cinereicepsGray. Gray-headedChachalaca. Ortalida cinereicepsG. R. Gray, 1867, List Birds Brit. Mus., pt. 5, p. 12. (north-west coastof America = San Miguel Island, Pearl Islands,Panama.) Habitat.--Tropical Lowland EvergreenForest Edge, Gallery Forest,Secondary Forest (0-1100 m; Tropical Zone). Distribution.--Resident in easternHonduras (Olancho, Mosquitia), easternand central Nicaragua,Costa Rica (except the dry northwest),Panama (including Isla del Rey in the Pearl Islands), and northwesternColombia. Notes.--The South American O. garrula (Humboldt, 1805) and O. cinereicepsconstitute a superspecies(Sibley and Monroe 1990); they are consideredby some(e.g., Blake 1977) as conspecific.The compositespecies may be called Chestnut-wingedChachalaca.
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