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Range extended for world’s most mysterious gorilla
June 11, 2009
The Wildlife Conservation Society (WCS) announced yesterday the discovery of eastern lowland gorilla nests in an unexplored area of the Democratic Republic of Congo (DRC), expanding the range of this little-known subspecies by 30 miles (50 kilometers).
The eastern lowland gorilla, also known as Grauer’s gorilla, is currently listed as Endangered in the IUCN Red List. Scientists estimate that the gorilla has as few as 8,000 individual left. Although closely related to mountain gorillas, the eastern lowland gorilla is the world’s largest living primate, weighing over 500 pounds at maximum, and is endemic to the DRC.
Researchers surveyed the unexplored region in the DRC, known as Itombwe forest, during a calm period between the DRC’s government and rebels group, which use Itombwe for its rich natural resources.
The eastern lowland gorilla. Photo courtesy of WCS.
“Today’s announcement that Grauer’s gorillas inhabit forests in Itombwe more than 50 kilometers south of their previously known range gives hope for the survival of the subspecies and a renewed impetus for protecting this extraordinary biodiversity area in the Albertine Rift of Africa," said Dr. James Deutsch, Director of WCS’s Africa Programs.
Along with evidence of the eastern lowland gorilla, researchers also discovered a new frog and toad species that are in the process of being described. In addition, the survey found indications that chimpanzees also had a larger range than previously believed.
"The findings of our survey will be important to conservation efforts for eastern lowland gorillas and their habitat, primarily because so little is known about this subspecies." said Dr. Andrew Plumptre, Director of the WCS’s Albertine Rift Program. "In particular it will help us in the development of plans for the demarcation of boundaries for the Itombwe Reserve, which is in the process of being created."
The announcement of the eastern lowland gorilla’s expanded range was made yesterday at the Gorilla Symposium, a conference organized by UNEP-Convention on Migratory Species of Wild Animals, the German Ministry for the Environment, the Ministry for Economic Cooperation and Development, and the Frankfurt Zoological Society at the Frankfurt Zoo in Germany.
>Gorilla sightings in the 2000s. Image courtesy of WCS.
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