Vervet monkeys sitting in tree lying down head on branch

vervet monkeys sitting tree lying down head on branch primates wildlife nature chlorocebus pygerythrus treedwelling species animal behavior relaxing posture social interaction monkey observation natural habitat branch perching primate behavior monkey conservation wildlife photography tranquil scene peaceful moment mesmerizing wildlife captivating posture arboreal comfort wildlife conservation vervet monkey behavior arboreal relaxation primate communication treedwelling habitat arboreal lounging arboreal adaptation old world monkey