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Amazing diversity documented in national park

A remote park in northwest Bolivia may be the most biologically diverse place on earth, according to the Wildlife Conservation Society (WCS), which helped put together a comprehensive list of species found there. The announcement was released at the IUCN World Conservation Congress, an international gathering of conservationists meeting through Sept. 13 in Jeju, South Korea.

The list, published in a compendium by the Bolivian Park Service (SERNAP) and funded by WCS, shows that Madidi National Park contains 11 percent of the world's birds, more than 200 species of mammals, almost 300 types of fish, and 12,000 plant varieties. The 19,000 square-kilometer (7,335 square mile) park is known for its array of altitudinal gradients and habitats from lowland tropical forests of the Amazon to snow-capped peaks of the High Andes.

This is a parrot snake, one of at least 50 species of snake in Madidi National Park.

Credit: Mileniusz Spanowicz/WCS

The report compiles the work of more than 50 scientists from WCS, Bolivian Fauna Collection, Bolivian National Herbarium, Amazon Conservation Association, Armonia, Missouri Botanical Garden, and others – some of whom have worked in the park for 15 years. At the request of the Bolivian Park Service (SERNAP), the scientists gathered at a workshop in late 2008 to collectively summarize what is known about the park, including how many species Madidi contains and its conservation needs for the future.

The resulting compendium estimates 1,868 vertebrates for Madidi, including 1,088 species of birds. Only eleven countries have more bird species than Madidi National Park; the entire U.S. contains less than 900 bird species. Mammals range from the 300-kilogram (661-pound) lowland tapir, an Amazonian herbivore, to the tiny insectivorous Spix's disk-winged bat that weighs just 4 grams (.14 ounces). Bird species range from the harpy eagle, one of most powerful birds of prey in the world whose diet includes sloths and monkeys, to the diminutive festive coquette, one of 60 species of hummingbird expected to occur in the park.

"With Madidi's almost 6,000-meter (19,685 feet) altitudinal range, no other protected area captures the diversity of South American habitats that pushes these numbers through the ceiling. All the scientists who contributed to this compendium feel privileged to work in Madidi, and we are all very happy to help SERNAP promote the national and international conservation importance of the area," said WCS's Madidi Landscape Program Director Dr. Robert Wallace.

Still much is unknown about the park – particularly in the tropical montane or cloud forests between 1,000 and 3,000 meters (3,280 and 9,842 feet). Despite significant efforts from the scientific team, two thirds of the park's total biodiversity has yet to be formally registered or observed by scientists, highlighting the need for further research in the region. This is particularly relevant given the looming threat of climate change to the biodiversity of the world's mountains.

Dr. Cristián Samper, President and CEO of the Wildlife Conservation Society, said: "The Wildlife Conservation Society is proud to be assisting the Bolivian government in the conservation of these magnificent places. This important compendium emphasizes just how poorly known the cloud forests of the Tropical Andes really are. Apart from their biodiversity and wildlife importance, they are critical from a watershed management perspective and are aesthetically beautiful."

Madidi National Park is one of the top tourist attractions in Bolivia and part of a larger protected region known as the Madidi-Tambopata Landscape, one of the largest such complexes in the world. WCS has worked in this landscape since 1999 to develop local capacity to conserve the landscape and mitigate a variety of threats, including development such as road construction, logging, and agricultural expansion.

WCS's work in the Madidi-Tambopata Landscape has been made possible by the Gordon and Betty Moore Foundation, The John D. and Catherine T. MacArthur Foundation, the blue moon fund, the Beneficia Foundation, the Disney Worldwide Conservation Fund, and other generous supporters.

The Wildlife Conservation Society saves wildlife and wild places worldwide. We do so through science, global conservation, education and the management of the world's largest system of urban wildlife parks, led by the flagship Bronx Zoo. Together these activities change attitudes towards nature and help people imagine wildlife and humans living in harmony. WCS is committed to this mission because it is essential to the integrity of life on Earth. Visit

The Gordon and Betty Moore Foundation, established in 2000, seeks to advance environmental conservation, scientific research, and patient care. The Foundation's Environmental Conservation Program aims at changing the ways in which people use terrestrial, freshwater and coastal marine ecosystems to conserve critical ecological systems and functions, while allowing sustainable use. For more information, please visit

The MacArthur Foundation supports creative people and effective institutions committed to building a more just, verdant, and peaceful world. In addition to selecting the MacArthur Fellows, the Foundation works to defend human rights, advance global conservation and security, make cities better places, and understand how technology is affecting children and society. More information is at

Special Note to the Media: If you would like to guide your readers or viewers to a web link where they can make donations in support of helping save wildlife and wild places, please direct them to:

Stephen Sautner | EurekAlert!
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