Siberian tiger : (Panthera tigris altaica) Sumatran tiger : (Panthera tigris sumatrae) Information http://www.panthera.org/node/9 http://www.worldwildlife.org/species/sumatran-tiger http://www.tigersincrisis.com/sumatran_tiger.htm http://www.zoo.org.au/melbourne/animals/sumatran-tiger Disclaimer : This videos in these list is for EDUCATIONAL PURPOSE only. Follow me on Instagram https://www.instagram.com/g.delhaye_zoophotography/?hl=nl