‘Brand New’ Frog Species Has Been Hiding in Plain Sight For Years, And It’s Adorable
Identified at last.
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Scientists have formally identified a previously unknown frog species that has been present in rainforests for decades without proper recognition. The Pristimantis milpe, commonly known as the Milpe Rain Frog, was mistakenly classified as another species, Pristimantis subsigillatus, since specimens were first collected from Ecuador’s Chocó rainforest in 1902. Researchers at the Pontifical Catholic University of Ecuador recently resolved the confusion by reexamining historical specimens stored at London’s Natural History Museum and comparing them with modern populations.
The taxonomic error occurred because scientists had incorrectly connected the scientific name to living frog populations in the field for over a century. Upon careful analysis of the original reference specimen and DNA testing, researchers determined that frogs previously labeled as P. subsigillatus actually represented an entirely separate species. This discovery demonstrates how common mistakes in classification can persist through generations of scientific literature when researchers fail to verify original source materials.
The newly classified species is widely distributed throughout Ecuadorian and Colombian rainforests, occupying diverse habitats from natural forests to banana plantations and urban parks. These diminutive frogs measure approximately one inch in males and 1.3 inches in females, and can be identified by their distinctive nocturnal clicking calls. Females display distinctive orange or blue spotted patterns on their groin and thighs, while males exhibit more uniform coloring. Researchers note that P. milpe’s widespread distribution and conspicuous presence make its previous classification error particularly surprising, highlighting the importance of accurately documenting biodiversity for conservation efforts.
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Originally reported by Sciencealert →
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