Researchers have confirmed the discovery of a new monkey species featuring orange lips and a froglike roar in the Democratic Republic of the Congo [1].
The discovery highlights the biological mysteries remaining in the Congo Basin and underscores the urgent need for conservation in regions where species may be endangered before they are even identified [2].
The confirmation follows a search that lasted 18 years [1]. The effort began after a blurry photograph taken in 2008 suggested the existence of an undocumented primate [1], [3]. Scientists spent nearly two decades conducting field work in the rainforest of the Democratic Republic of the Congo to track the animal and verify its identity [1], [2].
The new species is characterized by a distinct orange patch around its mouth and a deep, croaky roar [2]. Researchers said the experience of finally locating the animal was an "amazing feeling" to look into the face of a creature that so few people knew existed [3].
While the discovery is a scientific milestone, the primate's status is precarious. A correspondent for Scientific American said the monkey is possibly already endangered [2]. The difficulty of the search—spanning from the original 2008 image to the official announcement on July 17, 2026 [1]—illustrates how elusive these populations can be within the dense canopy of the DRC rainforest.
Field work in the region is often challenging due to the environment and political instability. However, the persistence of the research team allowed them to bridge the gap between a historical curiosity and a verified biological discovery [1], [3].
“A remarkable African monkey with a distinct orange patch around its mouth and a deep, croaky roar.”
The identification of this species after nearly two decades demonstrates that significant mammalian biodiversity remains undiscovered in the Congo Basin. However, the fact that a species can remain hidden for so long while potentially facing extinction suggests that current conservation maps may be incomplete, leaving many undocumented animals vulnerable to habitat loss.



