A few nice endangered animals images I found:
Image by flickkerphotos
Siberian tigers have a pattern of dark stripes on orange fur. Unique to each tiger, their stripes make it possible to distinguish one tiger from another as surely as fingerprints distinguish people.
In the forest the tiger’s markings and colors often make a stationary tiger undetectable. But if a tiger comes out in the open in winter, it shows up clearly against the snow. This visibility in winter does not escape the notice of the tiger’s only predator, man.— g 6/08 p. 17 The Siberian Tiger—Will It Survive?