Ruminant marsh deer, blastocerus dichotomus with bony horn resting on the green grass at the riverside, flapping its ears and wondering around its surrounding, pantanal natural region, south america

deer antler hoofed ruminant marsh animal blastocerus dichotomus vulnerable species south america wild wildlife nature natural habitat conservation wetland grass matogrossense environment brazil green cervid national park pantanal ibera argentina threaten rest grassland lowland reserve biosphere vegetation plant endangered relax sit river riverbank sunny meadow lying down bird ecosystem ecology wet riverside