Four subspecies of the lechwe have been recognized. Bangweulu has the only remaining significant population of the black lechwe. The southern floodplains are famous for large herds of the near-endemic black lechwe. A number of species have hornless females (e.g. sitatunga, red lechwe, and suni). African cranes, bontebok, lechwe, bongo and scimitar oryx also live here. There is a single unconfirmed report of shoebills feeding on lechwe ("Kobus leche") calves. The Nile lechwe keep moving in and out of these areas. Nile lechwe are endemic to South Sudan and Ethiopia. Nile lechwe feed on succulent grasses and water plants. Some authorities treat the Upemba lechwe as a subspecies, "K. l. anselli", of the lechwe. Lechwe School is one of the biggest schools in the city. In Nile lechwe, a unique form of marking is seen with the start of mating. Nile lechwe can visually signal and vocalize to communicate with each other. Lechwe stand at the shoulder and weigh from . The Nile lechwe population in the Sudds, however, remained somewhat stable throughout this period.