 the sumatran tiger (panthera tigris sumatrae) is a rare tiger subspecies that inhabits the indonesian island of sumatra. it was classified as critically endangered by iucn in 2008 as the population was estimated at 441 to 679 individuals, with no subpopulation larger than 50 individuals and a declining trend. the sumatran tiger is the only surviving member of the sunda islands group of tigers that included the now extinct bali tiger and javan tiger. sequences from complete mitochondrial genes of 34 tigers support the hypothesis that sumatran tigers are diagnostically distinct from mainland populations. == characteristics ==  pocock first described the sumatran tiger on the basis of several skull, pelage and striping features in which it is distinct from the indian and javan tigers. it is darker in fur colour and has thicker stripes than the javan tiger.pocock, r. i. (1929). tigers. journal of the bombay natural history society 33: 505â541. stripes tend to disintegrate into spots near their ends, and lines of small dark specks between regular stripes may be found on the back, flanks and hind legs. the fr
Fauna_of_Sumatra IUCN_Red_List_critically_endangered_species Mammals_of_Indonesia Mammals_of_Southeast_Asia Tigers