Mutum/Bare-Faced Curassow [Female and Male]

They live in pairs or in small family groups. Although it spent most of his time on the ground, perching sleeping. It alway seek the same perch to sleep, but in moonlit nights is very restless, abandoning the traditional point and looking for another location nearby. Betrays his nervousness by opening and closing the tail. Other tics are sudden movements shaking his head sideways and the bristle plume.
The specimen all black is the male, and, the specimen with white feathers is the female.