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
A Liger! The awesome hybrid cross between a female tiger and a male lion. They are the largest of all the jungle cats, "growing to almost the lion and tigers combined size." Interestingly, "in history there have been stories of ligers found in the wild. Ligers were long thought to be sterile, but this theory was disproved in 1953, when a 15 year old liger was successfully mated with a male lion. The cub survived into adulthood, despite having poor health."
18 Reasons To Make Bears Your New Favorite Animal. This Is Too Sweet!