A golden-mantled howler monkey (Alouatta palliata palliata) taking a break from feeding on leaves.

(Selva Verde Lodge, Costa Rica)

mammal; primate; simian; New World monkeys; prehensile-tailed monkeys; golden-mantled howler; male; Chordata; Mammalia; Primates; subO Haplorhini; infraO Simiiformes; parvO Platyrhini; Atelidae; sF Alouattinae; Alouatta palliata palliata