Case ReportPublished 26 November 2025Case Report: Ophthalmic and associated systemic disorders in free-ranging giant otters (Pteronura brasiliensis) documented through video frames and photographsGrazielle Soresini · Nathalie Foerster · André T. Somma · Fabiano A. da Silva · Carolina Ribas · Caroline Leuchtenberger · Guilherme MourãoFrontiers in Mammal Sciencedoi 10.3389/fmamm.2025.1634280