Vermeer, J.; Tello-Alvarado, J. C.; Del Castillo, J. T. V.; Bóveda-Penalba, A. J. A New Population of Red Uakaris (Cacajao Calvus ssp.) in the Mountains of North-Eastern Peru. Neotrop. Primates 2013, 20 (1), 12-17. https://doi.org/10.1896/044.020.0103.