Close up shot of a mother southern pig-tailed macaque perched on tree branch while her baby clings upside down to her underside and feeding against dense green forest foliage

macaque southern pigtailed pig tail tailed monkey macaca nemestrina animal species baby feed mother mum breed sundaland sunda malaysia perak thailand indonesia berok primate endangered conservation newborn behaviour nature natural habitat wildlife tree climb perch forest jungle maternal care mammal cling eat food milk canopy sit wild southeast asia tropical family