Friday 10 November 2017

As Grauer’s gorillas cling to survival, new population found


by Sharon Guynup on 26 October 2017

Since 1994, civil war has left over 5 million people dead and wildlife decimated in the Democratic Republic of Congo (DRC). Today, heavily armed militia and illegal miners prospect for “conflict minerals” needed for modern electronic devices made and sold in the U.S. and around the globe.

Hunters have targeted Grauer’s gorillas to feed miners and militias: in just two decades, these great apes have declined by 77 percent. A 2016 survey found only 3,800 Grauer’s gorillas, the world’s largest primates, still hanging on in the most rugged parts of eastern DRC.

The good news: a bold group of scientists, under the protection of armed rangers, has found 50 previously uncounted Grauer’s gorillas in DRC’s Maiko National Park. And more may exist within the 4,000 square-mile park.

The bad news: the US House of Representatives voted last month to defund the “Conflict Mineral Rule,” which required US companies to report where conflict minerals, such as coltan used in cell phones and computers, were sourced. The Senate has yet to take action on the legislation.

A mere 15 Grauer’s gorillas (Gorilla beringei graueri) were believed to live inside Africa’s Maiko National Park. But biologist Damien Caillaud suspected otherwise. He felt sure the preserve’s nearly-impassable jungle could shelter more of the Critically Endangered great apes — hidden in deep gorges in the shadow of precipitous peaks.


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