prehensile prehensile mantled-howler-monkey/alouatta-palliata Mantled howler monkey (Alouatta palliata) / ARKive Mantled howler monkey (Alouatta palliata) / ARKive Mantled howler monkey (Alouatta palliata) / ARKive mantled howler monkey Mantled howler monkey (Alouatta palliata) / ARKive mantled howler monkey Mantled howler monkey (Alouatta palliata) / ARKive Mantled howler monkey mantled howler monkey mantled-howler-monkey/alouatta-palliata