dusky leaf monkey or spectacled langur in cages of zoo and aquarium bueng chawak chalermphrakiat for thai people and foreign

animal ape arctoides asia asian baboon behavior bueng buri cage capture chalermphrakiat chawak creature cute dusky eyes family fauna forest fur jungle landmark langur leaf life little macaca macaque mammal metal monkey natural nature obscurus park pet primate safari stump suphan suphanburi tailed thai thailand travel trip wild wilderness wildlife young zoo