Description:
This is the subspecies Alouatta seniculus juara, also called Juruá Red Howler Monkey, which occurs in Brazil and Peru.
First 4 photos: Reserva Ecologica Taricaya, Puerto Maldonado, Peru, 12 June 2009
Last photo: Manu Wildlife Center, Manu Biosphere Reserve, Peru, 28 June 2009