close-up on a françois' langur, trachypithecus francoisi, on white

conservation primatology biodiversity mammalia fur francoisi francois langur hairy closeup 039 trachypithecus jungle species face asia endangered animal head black close cut leaf monkey franasect ois shot isolated white mammal people one portrait primate studio tonkin vertebrate background sideburned wild wildlife close-up franã§ois'