A rare pigmentation variant of the Bengal tiger. Compared to normal tigers without the white gene, white tigers tend to be somewhat bigger, both at birth and as fully grown adults.
A rare tiger subspecies inhabiting the island of Sumatra, classed as critically endangered with an estimated 441 to 679 left. Their stripes tend to be thicker and more frequent than other subspecies.
Inhabiting the Sikhote Alin mountain regions, it is believed there are only around 400 left in the world. It is reddish-rusty, or rusty-yellow in colour with narrow black transverse stripes.
The most numerous of the tiger subspecies and number about half of all wild tigers. Sometimes called Indian tigers, over many centuries they have become an important part of Indian tradition and lore.
Known to travel up to 1,000 km (620 mi), they inhabit mainly the Sikhote Alin mountain region with a small population in southwest Primorye province in the Russian Far East.