addax africa african buffalo alcelaphinae animal antilocapridae antilopinae antwerp apadana association of zoos and aquariums bbc news barbary sheep binomial nomenclature biological classification bison blackbuck bos boselaphini bovid bovinae bovini bristol zoo brocket deer bronx zoo brookfield zoo bubalus camel camelid capreolinae cervus cetartiodactyla chacoan peccary charcoal chester zoo chevrotain choeropsis chordate collared peccary common duiker congo civil war conservation status corneille ewango cryptozoology damaliscus deer democratic republic of the congo dibatag dik-dik donkey duiker egypt epithet europe eutheria even-toed ungulate feces fern four-horned antelope fruit fungus gazelle gerenuk giant forest hog giraffe giraffidae grazing antelope grey rhebok habitat destruction harry johnston hartebeest henry morton stanley hippocamelus hippopotamidae hippopotamus hippotragus hirola iucn red list impala international society for cryptozoology ituri rainforest klipspringer kting voar laurasiatheria leopard lightning mammal marsh deer montane moose mortality rate moschiola mountain goat muntjac musk deer muskox near threatened neotragini neotragus nilgai north america odocoileus okapi wildlife reserve oribi oryx ossicone ovis pampas deer peccary persepolis phacochoerus pig poaceae poaching potamochoerus procapra pronghorn pygmy hog rainforest raphicerus ray lankester reduncinae reedbuck reindeer roe deer ruminantia rupicapra sahel saiga antelope saola scent gland snout strepsicerotini suidae suina sulfur tahr takin taurotragus tibetan antelope tongue tragelaphus tragulus tufted deer tylopoda uganda unicorn virunga national park water chevrotain water deer white-lipped peccary wikimedia commons wildebeest wildlife conservation society zebra zoo