Newly Discovered Monkey Species Has Orange Lips And Croaks Like A Frog

Deep in the jungles of the Congo basin, in an area wild and dense with trees and verdant undergrowth, crickets sing.

And cutting into their song, coming from high in the jungle canopy, are deep croaks, but they don’t come from frogs.

The source of the mysterious calls are a new species of monkey called the Likweli by the few locals who are aware of them. Likweli are rare, difficult to find and live between two rivers – the Lomami and the Lilo — about 1,200 kilometers from their closest relatives, the colobus angolensis. (Commonly known collectively as colobus monkeys, they are split into six subspecies.)

Likweli have short black fur like their cousins but differ in the color of their mouths and noses, which range from a beige cream to a tangerine-like hue, as well as the shape of their skulls and their deep, rhythmic, croak-like vocalizations.

They’re only the fifth new primates species discovered in the last 75 years, and the excitement at their discovery has been tempered with concern that they may already be endangered.

It took substantial effort to find, observe and take DNA samples from Likweli, scientists say, and there hasn’t been an opportunity for assessing their numbers yet. However, because Likweli live in a relatively small range and depend on the high canopy to thrive (they eat a diet of mostly leaves and live above most potential predators), they’re vulnerable.

Members of the team who found them published a study this week in the open-access journal Plos One.

The process of tracking, photographing, studying and testing the new species took almost 20 years, according to the study’s authors.

“The first evidence of the new species came in 2008 during exploration of the Lomami Basin by members of the Lukuru Foundation, in an area that later became Lomami National Park. Ashley Vosper and Bernard Ikembelo photographed an unidentified monkey in a high forest canopy on the east bank of the Lomami River in the Courbure Sector, named for six large meanders of the Lomami River,” they wrote. “Although the photograph revealed only part of the animal, the field team strongly suspected that this was not any of the monkey species they already knew from the region. Following the initial sighting, nothing more was reported until November 2018, when Jean Pierre Kapale led a surveillance patrol in the Courbure Sector and photographed a black monkey with pale markings around its mouth and a white perianal patch. These characters were unlike those of any known primate species in the area.”

They were able to find and photograph seven more monkeys before beginning efforts for observational study. Likweli live in small family groups of about six individuals on average, they found.

The discovery is a reminder that our beautiful planet is still capable of surprising us even at a time when human behavior and expansion has placed unprecedented pressure on animal species. It’s a reminder that our planet is irreplaceable, that life continues to find new expressions and niches to branch into, and we shouldn’t give up on it.

No matter what the Elon Musks of the world say, no matter how many renders they share depicting grand cities in domed Martian craters or clinging to the underside of Europa’s thick ice crust inside its subsurface oceans, there is only one place thst is absolutely perfect for us, that we evolved to live on and care for.

Even if the science fiction futures that Musk, Bezos, Thiel, Altman and company envision ever come to pass, even if science fiction technology like terraforming becomes reality, there is no backup. Earth, its fauna and flora are ours to protect, a responsibility we need to take seriously for the collective future of every kind of life that exists here.

Let’s hope the Likweli and all species that follow have a place to thrive.