The beautifully detailed photos feature the Sumatran tiger (pictured), which is classed as 'critically endangered' by the International Union for Conservation of Nature and Natural Resources, with numbers in the wild falling
Tiger Reserve in Ranthambore, Rajasthan. Seeing a tiger in the wild is one of the greatest experiences ever. the whole world stands still - all the birds and animals go quiet as it stalks through the undergrowth.
The number of tigers in the wild have increased for the first time after decades of decline, conservationists have said. A new global estimate based on the best available data suggests there are at least 3,890 wild tigers in the world, an increase on the previous figure of as few as 3,200 in 2010.
The Sikhote-Alin area is home to the main population of the rare Amur tiger. <a href="http://www.shutterstock.com/pic-103618799/stock-photo-a-siberian-tiger-close-up-personal.html" target="_blank">Amur tiger in the wild</a> by Shutterstock