Large units where sheep are reared in Australia are called sheep stations. The term applied to large animal farms inSouth America is estancias. The ranches or sheep stations consist of large areas of natural pasture and also the ranch house and some area devoted to supplementary feed crops.
Ox bow lake is a U shaped lake formed when a meander of a river is cut off. This cut off meander creates a free standing water body called Ox bow lake. Resacas are ox bow lakes left by Rio Grande.