Description: English: Location taken: Zoo Ave, Alajuela, Costa Rica. Names: Ortalis cinereiceps Gray, GR, 1867, Aracuã-de-cabeça-cinzenta, Cacalaka šedohlavá, Chachalaca Cabecigrís, Chachalaca cabeza gris, Ciacialaca testagrigia, czakalaka szaroglowa, czakalaka szarogłowa, Gråhodehokko, Gråhuvad chachalaca, Graukopfguan, Graukopftschatschalaka, Gray headed Chachalaca, Gray-Headed Chacalaca, Gray-headed Chachalaca, Grey headed Chachalaca, Grey-headed Chachalaca, Grijskopchachalaca, Guacharaca de Cabeza Gris, Guacharaca del Chocó, haigashirahimeshakukei, Harmaapääkaklattaja, Mexicansk Chachalaca, Ortalide à tête grise, Ortalis cinereiceps, panama tšatšalaka, panamankaklattaja, šuan sivohlavý, szürkefejű erdeityúk, Txatxalaca capgrís, Сероголовая Чачалака, ハイガシラヒメシャクケイ, 灰头小冠 Classification: Animalia > Chordata > Aves > Galliformes > Cracidae > Ortalis > Ortalis cinereiceps. Date: 3 June 2008. Source: source: David Stang. First published at ZipcodeZoo.com. Author: Photo by David J. Stang.