lechwe: tawny-colored African antelope inhabiting wet grassy plains; a threatened species
waterbuck: any of several large African antelopes of the genus Kobus having curved ridged horns and frequenting e.g. swamps and rivers
accessory hemiazygos vein: a vein formed by the union of the 4th to 7th posterior intercostal veins; empties into the azygos vein