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9 lesser-known cloned animals

By: Katherine Butler on Nov. 23, 2011, 8:47 a.m.

Photo: ucumari/Flickr

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The banteng is a species of wild cattle found primarily in Southeast Asia. Banteng, which are also known as native Indonesian cattle, are listed by the World Conservation Union as “severely threatened” as their numbers have declined as much as 85 percent in the past 15 to 20 years. A large herd of banteng resides in Australia, where they are largely protected short of 40 males that hunters pay to shoot each year. In an effort to preserve the species, two banteng calves were born to surrogate cows in Iowa in 2003. The genetic material to clone the calves came from the San Diego Zoo's Center for Reproduction of Endangered Species, where genetic tissue from endangered animals is being archived.