Where the Boselaphini and Bovini are mostly Asian, members of the Strepsicerotini tribe, the spiral-horned antelopes, are found only on the continent of Africa

Africa

Africa is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...

. This group tends to large size, a lighter build, longer necks and considerable sexual dimorphism

Sexual dimorphism

Sexual dimorphism is a phenotypic difference between males and females of the same species. Examples of such differences include differences in morphology, ornamentation, and behavior.-Examples:-Ornamentation / coloration:...

. Eight of the 10 species are of conservation concern, being classified as lower-risk, conservation dependent, the remaining two, the Common Eland

Common Eland

The common eland , also known as the southern eland or eland antelope, is a savannah and plains antelope found in East and Southern Africa. It is the largest antelope in the African continent...

 and the Giant Eland

Giant Eland

The giant eland is an open forest savannah antelope. It is found in Central African Republic, South Sudan, Cameroon and Senegal. There are two subspecies: the endangered T. d. derbianus, found in Senegal's Niokolo-Koba National Park, and the low risk T. d...

 are secure.

• Family Bovidae
  • Subfamily Bovinae
    Bovinae
    The biological subfamily Bovinae includes a diverse group of 10 genera of medium to large sized ungulates, including domestic cattle, the bison, African buffalo, the water buffalo, the yak, and the four-horned and spiral-horned antelopes...
    
    
    • Tribe Strepsicerotini
      • Genus Tragelaphus
        Tragelaphus
        The genus Tragelaphus contains several species of bovine, all of which are relatively antelope-like. Species in this genus tend to be large sized, lightly built, have long necks and considerable sexual dimorphism. The Common Eland was once classified in this genus as T. oryz...
        
        (antelope-like
        Antelope
        Antelope is a term referring to many even-toed ungulate species indigenous to various regions in Africa and Eurasia. Antelopes comprise a miscellaneous group within the family Bovidae, encompassing those old-world species that are neither cattle, sheep, buffalo, bison, nor goats...
        
        )
        • Sitatunga
          Sitatunga
          The situtunga or marshbuck is a swamp-dwelling antelope found throughout Central Africa, centering on the Democratic Republic of the Congo, Cameroon and parts of Southern Sudan as well as in Ghana, Botswana, Zambia, Gabon, Tanzania, Uganda and Kenya.-Description:Situtunga stand about one and a...
          
          , Tragelaphus spekeii
        • Nyala
          Nyala
          The Nyala is a Southern African antelope. It is a spiral-horned dense-forest antelope that is uncomfortable in open spaces and is most often seen at water holes. Nyalas live alone or in small family groups of up to 10 individuals.The male stands up to 110 cm , the female is up to 90 cm ...
          
          , Tragelaphus angasii
        • Bushbuck
          Bushbuck
          The bushbuck is the most widespread antelope in Sub-Saharan Africa, and is found in rain forests, montane forests, forest-savanna mosaics and bush savannaforest and woodland. Recently, genetic studies have shown that the bushbuck, is in fact a complex of two geographically and phenotypically...
          
          , Tragelaphus sylvaticus
        • Kéwel
          Kéwel
          The Kéwel is a small to medium sized antelope widespread in west and central Africa. Formerly and alongside the Imbabala it was generically known as the bushbuck, however, it has since been found to be a species in its own right, with a separate geographic distribution...
          
          , Tragelaphus scriptus
        • Mountain Nyala
          Mountain Nyala
          The Mountain Nyala found in Oromia, Ethiopia as gadumsa, is an antelope found in high altitude woodland in a small part of central Ethiopia...
          
           Tragelaphus buxtoni
        • Lesser Kudu
          Lesser Kudu
          The lesser kudu is a forest antelope found in East Africa and the southern Arabian Peninsula. The southern lesser kudu is a subspecies found in Kenya and Tanzania....
          
          , Tragelaphus imberbis
        • Greater Kudu
          Greater Kudu
          The Greater Kudu is a woodland antelope found throughout eastern and southern Africa. Despite occupying such widespread territory, they are sparsely populated in most areas, due to a declining habitat, deforestation and hunting....
          
          , Tragelaphus strepsiceros
        • Bongo
          Bongo (antelope)
          The western or lowland bongo, Tragelaphus eurycerus eurycerus, is a herbivorous, mostly nocturnal forest ungulate and among the largest of the African forest antelope species....
          
          , Tragelaphus eurycerus
      • Genus Taurotragus
        Taurotragus
        Taurotragus, commonly called Eland, is a genus of antelopes of the African savannah, containing two species: the Common Eland and the Giant Eland...
        
        
        • Common Eland
          Common Eland
          The common eland , also known as the southern eland or eland antelope, is a savannah and plains antelope found in East and Southern Africa. It is the largest antelope in the African continent...
          
          , Taurotragus oryx
        • Giant Eland
          Giant Eland
          The giant eland is an open forest savannah antelope. It is found in Central African Republic, South Sudan, Cameroon and Senegal. There are two subspecies: the endangered T. d. derbianus, found in Senegal's Niokolo-Koba National Park, and the low risk T. d...
          
          , Taurotragus derbianus