For first time, PH tarsier is on most endangered list with half of world’s primates | Inquirer News

For first time, PH tarsier is on most endangered list with half of world’s primates

01:37 AM November 25, 2015

SINGAPORE—More than half the world’s primates, including apes, lemurs and monkeys, are facing extinction, international experts warned on Tuesday, as they called for urgent action to protect mankind’s closest living relatives.

Species long-known to be at risk, including the Sumatran orangutan, have been joined on the most endangered list for the first time by the Philippine tarsier and the Lavasoa Mountains dwarf lemur from Madagascar, according to scientists meeting in Singapore.


The population crunch is the result of large-scale habitat destruction—particularly the burning and clearing of tropical forests—as well as the hunting of primates for food and the illegal wildlife trade.

“This research highlights the extent of the danger facing many of the world’s primates,” leading primatologist Christoph Schwitzer, director of conservation at Bristol Zoological Society in Britain, said in a statement.


“We hope it will focus people’s attention on these lesser known primate species, some of which most people will probably have never heard of,” he added.

This includes the Lavasoa Mountains dwarf lemur—a species only discovered two years ago—and the Roloway monkey from Ghana and Ivory Coast, which experts say “are on the very verge of extinction.”

There are 703 species and subspecies of primates in the world.

Highly threatened

Madagascar and Vietnam are home to large numbers of highly threatened primate species, the statement said.

In Africa, the red colobus monkeys were under “particular threat,” as were some of South America’s howler monkeys and spider monkeys.

“All of these species are relatively large and conspicuous, making them prime targets for bushmeat hunting,” the statement said.


Russell Mittermeier, chair of the Species Survival Commission of the International Union for Conservation of Nature (IUCN), said he hoped the report would encourage governments to commit to “desperately needed biodiversity conservation measures.”

Mittermeier said ahead of next month’s global climate conference in Paris, there was growing evidence some primate species might play key roles in dispersing tropical forest tree seeds which, in turn, “have a critically important role in mitigating climate change.”

Primates in peril

Here is the list of the world’s top 25 most endangered primates—compiled by the IUCN, Bristol Zoological Society, International Primatological Society and Conservation International and updated every two years—for 2014-2016 and their estimated numbers remaining in the wild: Lavasoa Mountains dwarf lemur—unknown; Lake Alaotra bamboo lemur—about 2,500-5,000; Red ruffed lemur—unknown;     Northern sportive lemur—around 50; Perrier’s sifaka—1,700-2,600; Rondo dwarf galago —unknown but remaining habitat is just 100 square kilometers (40 square miles); Roloway monkey—unknown but thought to be on the very verge of extinction.

Preuss’ red colobus monkey—unknown; Tana River red colobus monkey—1,000 and declining; Grauer’s gorilla—2,000-10,000; Philippine tarsier—unknown; Javan slow loris—unknown; Pig-tailed langur—3,300; Cat Ba langur (golden headed langur)—60; Delacour’s langur—234-275; Tonkin snub-nosed monkey—less than 250; Kashmir gray langur—unknown; Western purple-faced langur—unknown; Hainan gibbon—25; Sumatran orangutan—6,600; Ka’apor capuchin—unknown; San Martin titi monkey—unknown; Northern brown howler monkey—less than 250 mature animals;   Colombian brown spider monkey—unknown; Ecuadorian brown-headed spider monkey—unknown. AFP

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