They are the tall grass prairie, the mixed grass prairie, and the short grass prairie. Prairie dogs are found mostly in short grass prairies. Buffalo once roamed in the mixed grass prairie. Bison are index animals to the prairie. When a buffalo cow calves, the calf stays with its mother until it has fully matured, which is about three years.
African elephants give birth every two to four years.
The black rhinoceros' scientific name is Diceros bicornis. Its natural diet is leaves. The Bobolink or Dolichonyx is a type of bird. Its diet is mostly insects but in winter it feeds on grain crops and sometimes rice while it migrates. During migration it travels five thousand miles.