This is one of the first extinct tiger subspecies which take reference.
Over the past few decades, at least three of the eight tiger subspecies have become extinct.
It is one of the world's 10 most endangered animals and the most endangered of the six surviving tiger subspecies.
Like other tiger subspecies, the Sumatran tiger has deep orange fur with black stripes.
Morphologically, it is the most distinctive of all tiger subspecies.
Bengal tigers have been captive bred since 1880 and widely crossed with other tiger subspecies.
The color was different from other tiger subspecies, with yellow to gold fur with light to dark brown stripes.
It was the furriest of all the tiger subspecies.
It was the smallest of the tiger subspecies.
The Sumatran tiger is one of the smallest tiger subspecies.