Largest deer species from South America, wild tawny marsh deer, blastocerus dichotomus grazing on green grass at riverbank, pantanal matogrossense national park, brazil

marsh deer vulnerable species south america wild wildlife animal brown tawny nature natural habitat conservation grass matogrossense environment africa anatidae mammal brazil green cervid hunt horn field national park pantanal argentina threaten antlers buckhorn grassland lowland reserve biosphere river riverbank bank graze forage feed eat blastocerus dichotomus ibera wetland ecosystem