Panthera tigris sumatrae
There will be no Sumatran tigers on show at ZSL London Zoo until Tiger Territory opens in March 2013, the Zoo's new £3.6 million flagship exhibit.
Their stripes provide good camouflage in the tropical forests where they live.
They also have spots on the back of their ears that they use for signalling.
Sumatran tigers are smaller and darker than the Amur (Siberian) tigers that are kept at ZSL Whipsnade Zoo.
Where they live
Rainforest and secondary forest
What they eat
Deer and wild pig