Juvenile mantled howler monkey (Alouatta palliata) in Pacific coast forest, known for their loud call, Esperanza, Nosara, Guanacaste, Costa Rica

alouatta palliata juvenile monkey costa rica wildlife animal behavior resting vibrant foliage tropical environment calls primate biodiversity nature guanacaste nosara tree branches habitat species conservation rain forest young creature playful ecological observation call arboreal communication natural flora jungle mammal life ecosystem spotting lush vegetation anatomy expedition lover interactions outdoor exploration