addax african buffalo alcelaphinae animal antelope antilocapridae antilopinae barbary sheep binomial nomenclature biological classification bison blackbuck bos boselaphini bovid bovinae bovini brocket deer bubalus camel camelid capreolinae cervus cetartiodactyla chacoan peccary chevrotain choeropsis chordate collared peccary common duiker common name conservation dependent conservation status damaliscus deer dibatag dik-dik duiker east africa eutheria even-toed ungulate fort worth zoo four-horned antelope gazelle genus gestation period giant forest hog giraffe giraffidae grazing antelope grey rhebok hartebeest hippocamelus hippopotamidae hippopotamus hippotragus hirola iucn red list impala klipspringer kting voar laurasiatheria mammal marsh deer moose moschiola mountain goat muntjac musk deer muskox neotragini neotragus nilgai odocoileus okapi oribi oryx ovis pampas deer peccary phacochoerus pig potamochoerus procapra pronghorn pygmy hog raphicerus reduncinae reedbuck reindeer roe deer ruminantia rupicapra saiga antelope saola sexual maturity somali language species strepsicerotini suidae suina tahr takin taurotragus tibetan antelope tragelaphus tragulus tufted deer tylopoda water chevrotain water deer white-lipped peccary wikimedia commons wildebeest