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The tiger is part of the kingdom Animalia, phylum Chordata, class Carnivora, family Felidae, subfamily Panthernae, genus/species Panthera tigris. have round pupils and yellow irises (except for the blue eyes of white ). Due to a retinal adaptation that ....

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.... fur than that live in warm climates. A tiger's tail is 3 to 4 feet long, about half as long as its body. use their tails for balance when they run through fast turns. They also use their tails to communicate with other . Where did tigers come from? Tigers (and all other carnivores) are descended from civet-like animals called miacids that lived during the age of the dinosaurs about 60 million years ago. These small mammals, with long bodies and short flexible limbs, evolved over millions of years into several hundred different species, including cats, bears, dogs and weasels. Approximately 37 cat species exist today, including Panthera tigris, th ....