Endangered Patagonian otter (huillín) rediscovered in Los Alerces National Park after 40-year absence

Traces of the endangered huillín have been identified in Los Alerces National Park, marking the first confirmed presence of the species in the area in four decades. Local authorities in Río Negro province have initiated conservation measures to facilitate potential recolonization, though the long-term viability of the population remains to be assessed.