Black oxen stand under a tree by a river in a nature reserve

black oxen stand under tree river grazing riverside herd tree shade meadow wildlife reserve area nature oxen scene riverbank grazing animals conservation black cattle shade of a tree natural habitat preserve animal conservation reserve landscape oxen herd nature watching conservation area grazing scene tree shelter wildlife sanctuary river habitat meadowland under the shade nature preservation riverside grazing black cattle herd nature area reserve scene oxen in shade riverbank pasture wildlife protection under a tree