Argentina, Bolivia, Brazil, Colombia, Costa Rica, Ecuador, French Guiana, Guyana, Honduras, Nicaragua, Panama, Paraguay, Peru, Suriname, Venezuela.
Eastern Costa Rica, Panama and Colombia; east of Andes, from southern Venezuela and the Guianas south through eastern Ecuador, eastern Peru, eastern Bolivia and Brazil to Paraguay and extreme north-eastern Argentina.
 
Population
Estimated population is 50,000 - 100,000 (2010).
Green Ibis (Mesembrinibis cayennensis) [XC705778]
by JAYRSON ARAUJO DE OLIVEIRA from Caconde, S\u00e3o Paulo, Brazil (call, song)
Green Ibis (Mesembrinibis cayennensis) [XC695128]
by Richard E. Webster from Bosque Ripario Rio Bodoquero - Vd San Jorge; Morelia, Caquet\u00e1, Colombia (call)