This is not the case with the desert kangaroo rat. Vegetation associated with the Texas kangaroo rat burrows in Wichita County, Texas. The mating of the giant kangaroo rat is seasonal. The endemic mammals include three species of kangaroo rat. The natural habitat of Stephens's kangaroo rat is sparsely vegetated temperate grassland. This kangaroo rat inhabits desert grassland with isolated scrubby bushes. He is given Aristobulus, Sarah's kangaroo rat. The rapid locomotion of the banner-tailed kangaroo rat may minimize energy cost and predation risk. This kangaroo rat is part of the Dipodomys genus. The three-year average frequency of Ord's kangaroo rat remains in prairie falcon nests was 4%. The banner-tailed kangaroo rat can grow to a length of about . The diet of Merriam's kangaroo rat is almost exclusively plant seeds (they are granivorous). Rare mammals on the base include the Pacific pocket mouse and Stephens's kangaroo rat. Others, such as Merriam's kangaroo rat, bury them in shallow caches in the open air. Ord's kangaroo rat breeding season varies with subspecies and area.