Maria Valderama AvellaJersson Avila CoyKelly ValenciaMaria Paschoalinia FriasMariela Superinafernando trujillo2026-03-222026-03-22202510.55565/nhac.hrqz3516https://doi.org/10.55565/nhac.hrqz3516https://andeanlibrary.org/handle/123456789/79558The Orinoquia region of Colombia is facing events of drastic and rapid fluctuations in river flow, driven by both natural variability andanthropogenic pressures, including land-use change and inadequate water management practices. These river flow depletions increase the possibility of dolphin strandings. We present the first histopathological description of a stranded Amazon river dolphin (Inia geoffrensis) calf captured during a rescue attempt in an anthropic river system.Amazon rainforestFisheryGeographyNatural (archaeology)Environmental scienceHydrology (agriculture)BiodiversityStreamflowNecropsy findings in an Amazon River Dolphin (Inia geoffrensis) calf exposed to extreme drought in the Colombian Orinoquia regionarticle