The recently identified monkey species, known as Likweli or Colobus congoensis, was discovered in the rainforests of the Democratic Republic of the Congo. This small monkey, characterised by its distinctive bright orange lips, had previously been recognised by local communities but was unclear to scientists until now. Likweli stands out as only the fifth new monkey species to be identified in Africa in the last 75 years, according to a publication in the journal PLOS One on July 15, 2026.

Likweli is a type of colobus monkey, primarily consuming leaves and residing high in the forest canopy. It embodies a compact build, typically weighing around seven kilograms. Its glossy black fur and long sweeping tail create a striking profile, further accentuated by a “cape” of longer hair draping over its shoulders. Notably, the monkey’s facial features include a prominent orange-cream patch surrounding its mouth and nose, set off by a mask-like black face.

A neat white patch positioned near its tail, alongside spiky black hairs framing its dark eyes, contributes to an expression that some may interpret as perpetually unimpressed. These features collectively distinguish Likweli within the diverse colobus family.

Discovery Location of the Likweli Monkey

Likweli inhabits Lomami National Park, situated between the Lomami and upper Congo rivers in the central part of the Democratic Republic of the Congo. Its initial sighting occurred accidentally in 2008 when it was photographed, yet its unique identity went unrecognised at the time. It wasn’t until 2018 that a park ranger, noting its unusual markings, captured further imagery that prompted researchers to delve deeper into its classification.

Interestingly, the Likweli monkey was also somewhat of a puzzle to local residents. In a survey conducted in 52 villages in proximity to its habitat, only eight could accurately describe the monkey, indicating its elusive presence in both scientific and local contexts.

The ongoing research regarding Likweli highlights the monkey’s remarkable characteristics and underlines the potential for further discoveries in the region’s biodiversity. Continued study of the primate offers an opportunity to learn more about its ecological role and conservational needs.

Indicators of a New Species

Researchers identified three significant indicators that confirmed Likweli as a distinct species. Firstly, its cranial structure, teeth, and skeletal characteristics markedly differ from all other African colobus monkeys. Secondly, the animal exhibits a unique deep, roaring vocalisation that distinguishes it further in the colobus family. Lastly, genetic analysis revealed crucial insights; an examination of its mitochondrial DNA indicated that Likweli is closely related to the black colobus, a species located over 1,200 kilometres away from its habitat.

The genetic divergence suggests that Likweli and its nearest relative split from a common ancestor approximately five million years ago, representing the most considerable division within the colobus lineage. This genetic evidence solidifies the claim of its status as a new species and accentuates the importance of continued genetic research in understanding biodiversity.

With the ongoing threats of habitat loss and hunting, concerns about Likweli’s survival are rising. Between 2018 and 2022, only 114 sightings were recorded across a vast area of around 1,700 square kilometres. The species is known to travel in small groups, often alongside other monkeys, but this limited range has raised alarm among researchers. Consequently, recommendations for listing Likweli as endangered have been put forth to ensure its protection in light of rapid environmental changes.

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