Calm marsh deer, Blastocerus dichotomus sitting and resting on a grassy lowland, constantly flapping it ears

marsh deer vulnerable species south america wild wildlife animal fur brown tawny nature natural habitat conservation wetland grass matogrossense environment mammal majestic brazil green cervid hunt sleep sunbath sunlight horn field national park pantanal ibera argentina blastocerus dichotomus threaten antlers buckhorn rest grassland lowland beautiful reserve biosphere resting heat breathing