Bernard Castelein / Yellow-rumped cacique (Cacicus cela) calling, Madidi NP, Bolivia

Luiz Claudio Marigo / Red rumped caciques with nests made from spanish moss {Cacicus haemorrhous} Brazil

Gabriel Rojo / Golden-winged cacique (Cacicus chrysopterus) vocalising in Palm tree. Pantanal, Mato Grosso, Brazil.

Bernard Castelein / Yellow-rumped cacique (Cacicus cela), group of four perched, MadidiNP, Bolivia

Bernard Castelein / Yellow-rumped cacique (Cacicus cela), Madidi NP, Bolivia

Lucas Bustamante / Yellow-rumped cacique (Cacicus cela) perched in tree, Yasuni National Park, Orellana, Ecuador.

Hermann Brehm / Yellow-rumped cacique (Cacicus cela) building nest, Pantanal, Brazil

Johannes Melchers/ BIA / Yellow-rumped Cacique (Cacicus cela) calling, Bolivia

Johannes Melchers/ BIA / Yellow-rumped Cacique (Cacicus cela), Bolivia

Agustin Esmoris / Red-rumped Cacique (Cacicus haemorrhous) at nest, Argentina

Agustin Esmoris / Red-rumped Cacique (Cacicus haemorrhous) at nest, Argentina

Agustin Esmoris / Red-rumped Cacique (Cacicus haemorrhous) pair building nest, Argentina