Results 3 results found A Mantled Howler Monkey (Alouatta palliata), known for it's call, eating leaves in tree; Nosara, Guanacaste Province, Costa Rica, Central America An adult mantled howler monkey, Alouatta palliata, in the forest of Caletas Reserve, Osa Peninsula, Costa Rica, Central America Mantled Howler Monkey (Alouatta palliata), La Fortuna, Arenal, Alajuela Province, Costa Rica, Central America Black Howler Monkey (Alouatta caraya), pup Black Howler Monkey (Alouatta Caraya) Looking Sad On Tree Branch, Mato Grosso Do Sul, Brazil Mother And Baby Black Howler Monkeys Sitting, Mato Grosso Do Sul, Brazil
