Results 2 results found Hoatzin (Ophisthocomus hoazin) perching on branch by Lake Sandoval, Tambopata National Reserve, Puerto Maldonado, Madre de Dios, Peru, South America Hoatzin (Ophisthocomus hoazin) perching on branch by Lake Sandoval, Tambopata National Reserve, Puerto Maldonado, Madre de Dios, Peru, South America