Deep within the cloud forests of the San Martín region of Peru lie two places so high, cold and remote that they remained virtually unexplored for decades. In 2022, and again in 2025, monitors from three Indigenous and local associations guided a team of scientists from Peru and France on a series of expeditions to unravel their mysteries. It was there, within the Bosques de Vaquero Biocorridor, that one of the most striking discoveries emerged: a small, previously unknown frog hidden among the fallen leaves. They named it Shunku Sacha, which in Kichawa-Lamista means “heart of the forest.” The scientific name of the new species, Oreobates shunkusacha, honors the territory where it was discovered — a place that, along with the frog, is now threatened by the rapid destruction of the forest. O. shunkusacha was formally described in a study recently published in the German journal Salamandra. Due to the threats facing the species and its small known range, the study’s authors say it should be considered endangered. A collaborative effort The research was carried out by local associations and scientists from Nature Conserv’Action and the Ararankha Association–Ecology and Conservation, who have been working in the area since 2022, with the aim of bringing science closer to local organizations that protect the forests. The species has been named Oreobates shunkusacha, with Shunku Sacha meaning “heart of the forest” in Kichawa-Lamista. In their study, researchers propose “Shunku Sacha big-headed frog” as the species’ common name. Image courtesy of Nature Conserv’Action Perú.…This article was originally published on Mongabay

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