Single golden mantled Howler Monkey sleeping while firmly grasping nearby branch, lock down shot

alouatta palliata alouatta howler monkey howlermonkey mantled howler common mantled howler golden mantled howler costa rica wildlife primate national park of costa rica costa rica monkey endangered biodiversity folivores mammal arboreal resting jungle habitat rainforest canopy species animal tail thoughtful national park thinking black howler protected sleeping nature ecosystem environment social behavior grasping exotic vocal wild sitting forest social travel evergreen communicating communication tropical loud