New Study Confirms Only Six Tiger Subspecies Are Left

Posted: Oct 26 2018, 7:18am CDT | by , in Latest Science News

 

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New Study Confirms Only Six Tiger Subspecies are Left

Only Six Subspecies of Endangered Tigers remain in the World according to a New DNS Study

About 4000 feral tigers remain in the wilderness out there. That is cause for concern among conservationists. The steps that are being taken to limit their decimation also require a thorough knowledge of their types. Whether they comprise two, five or six subspecies remains the question.

Now though it has been clearly proven that the number is actually six. They are genetically divergent as well. These include the Bengal tiger, the Amur tiger, the South China tiger, the Sumatran tiger, the Indochinese tiger and, last but not least, the Malayan tiger.

The rest of the subspecies have gone with the wind. They have succumbed to the forces of extinction. It is lack of awareness that has brought us to this sorry state where we have not done anything to bring these six subspecies back to proliferation from the edge of endangerment.

Raising these tigers in captivity is one of the steps that will need to be taken. Also, natural rehabilitation will need to be instituted. The genomic evidence shows that these six subspecies are all we have got so care is the watchword.

The six subspecies have their own population dynamics and demographical graphs. They breed and manage to prey in their own unique way as well. To keep track of them and their progress in the future is vital.

Also, their adaptation to the environmental niches they occupy is crucial. While the ancient ancestors of tigers could be found almost three million years ago, the majority of the present day species find their original impetus about 110,000 years in the past.

That was when a big crunch of sorts took place as regards their population. Each of the six subspecies has its own unique pattern of history and individual genetic pool.

The fact that tigers keep to themselves is singular in big cats. Jaguars, on the contrary, have undergone miscegenation so that they are found on several continents. A total of seven areas compose the 14 gene variants of these six subspecies of tigers.

The differences between them are subtle. Amur tigers are huge and have faded saffron-colored fur. Sumatran tigers are tinier and have darker broad-striped fur.

It was an amazing and amusing inventory which the biologists carried out on these six subspecies of tigers. Basically, tigers from Russia are different from tigers living in India. Also, those from Malaysia and Indonesia are distinct from the rest of the subspecies.

The findings of this new DNA study about the 6 subspecies of Tigers got published in Current Biology.

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