An adult plumbeous ibis (Theristicus caerulescens), Pousado Alegre, Mato Grosso, Brazil, South America

Plumbeous ibis (Theristicus caerulescens), Pantanal, Mato Grosso, Brazil, South America

Buff-necked ibis (Theristicus caudatus), Mato Grosso do Sul, Brazil, South America

An adult buff-necked ibis (Theristicus caudatus), on the Transpantaneira Highway, Mato Grosso, Pantanal, Brazil, South America

Buff-necked ibis (theristicus caudatus) adult calling, rupununi, guyana

Plumbeous ibis (Theristicus caerulescens), adult, perched on a tree, Pantanal wetland, Brazil, South America

Plumbeous Ibis (Theristicus caerulescens), adult perched on a tree, Pantanal, Brazil, South America