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New species declared: Clouded leopard on Borneo and Sumatra

WASHINGTON - Scientists have discovered that the clouded leopard found on the islands of Borneo and Sumatra is an entirely new species of cat. The secretive rainforest animal was originally thought to be the same species as the one found in mainland Southeast Asia.

Genetic analysis conducted at the U.S. National Cancer Institute shows that the difference between the two clouded leopard species is comparable to the differences between other large cat species like lions, tigers, and jaguars. Scientists believe the new species of clouded leopard diverged from the mainland population some 1.4 million years ago.

Genetic research results clearly indicate that the clouded leopards of Borneo and Sumatra should be considered a separate species, said Dr Stephen O'Brien, Head of the Laboratory of Genomic Diversity, U.S. National Cancer Institute. DNA tests highlighted around 40 differences between the two species.

The results of the genetic study are supported by separate research on geographical variation in the clouded leopard, based mainly on fur patterns and coloration of skins held in museums and collections.

The moment we started comparing the skins of the mainland clouded leopard and the leopard found on Borneo and Sumatra, it was clear we were comparing two different species, said Dr Andrew Kitchener, from the Department of Natural Sciences, National Museums Scotland and lead author of the scientific paper that described the new species. Its incredible that no one has ever noticed these differences.

The new clouded leopard species is generally darker than the mainland species, has small cloud markings, many distinct spots within the cloud markings, grayer fur, and a double dorsal stripe. Clouded leopards from the mainland have large clouds on their skin with fewer, often faint, spots within the cloud markings, and they are lighter in color, with a tendency toward tawny-colored fur and a partial double dorsal st
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Contact: Tom Lalley
tom.lalley@wwfus.org
202-778-9544
World Wildlife Fund
14-Mar-2007


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