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Tiger Wallpaper

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Tiger kind of carnivorous mammal of the family cat one of four members of the genus Panther which belongs to the subfamily of big cats. The word tiger is derived from ancient Greek.

Among the representatives of this species are large animals of the family cat. Tiger is one of the largest land predators yielding a mass of white and the brown bears. Allocated nine subspecies of tiger of which the beginning only six remain. The total number of the order of 4000 individuals of which the most abundant is Bengal of 40% of the entire population.

According to the comparative anatomical studies the average size of the Tigers in the period from the Pleistocene to the present decreased. This phenomenon is characteristic plejstotsenovyh mammals and displays seasonal decline bioefficiency environment reduction of the average size of available recovery. Holocene remains tigers known from Java and Borneo the last island of became extinct more BC.

Molecular phylogenetic data obtained using different methods confirmed by a close family ties between members of the genus Panthera and argue that the kind was separated from the common ancestral line of more than 2 million years ago much earlier than the lion leopard and jaguar. Thus paleontological and molecular biological information about the origin of tigers more or less confirm each other.

Although the molecular biological data is still unclear whether or not East Asia is the region where took place the separation of the form from the general kind ancestor there is a great mass of evidence to suggest that this is where the Tigers extended to the north to north-east Asia and Beringia and south to the islands of the Sunda archipelago on the border of the Indian subcontinent. The relatively late appearance in India is also confirmed by the absence on the island of Sri Lanka which was separated from the mainland by raising global sea level at the beginning of the Holocene. Among paleontologists there is some divergence of views regarding the settlement in central and south-west Asia some researchers believe that the Tigers have got there from north-east India and others that of Siberia through the south-eastern regions of present Kazakhstan.

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