Nick Gordon / Male Capuchin bird at lek (Perissocephalus tricolor) threat display, Amazonia, Brazil

Nick Gordon / Capuchin bird / Calf bird calling {Perissocephalus tricolor} Brazil

Nick Gordon / Two male capuchin birds at lek, Amazon Brazil

Philippe Clement / Capuchinbird / calfbird (Perissocephalus tricolor) perched in tree in forest, native to South America. Captive. Digital composite