Roan antelope

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Roan antelope
H. e. equinus at Tswalu Kalahari Reserve, South Africa
H. e. koba in Senegal

Least Concern  (IUCN 3.1)[1]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Artiodactyla
Family: Bovidae
Subfamily: Hippotraginae
Genus: Hippotragus
Species:
H. equinus
Binomial name
Hippotragus equinus
(É. Geoffroy, 1803)
     range
Synonyms[2]
List
  • Antilope equina É. Geoffroy Saint-Hilaire, 1803
  • H. aethiopica (Schinz, 1821)
  • H. aurita (C. H. Smith, 1827)
  • H. barbata (C. H. Smith, 1827)
  • H. docoi Gray, 1872
  • H. dogetti de Beaux, 1921
  • H. gambianus Sclater and Thomas, 1899
  • H. jubata (Goldfuss, 1824)
  • H. rufopallidus Neumann, 1899
  • H. truteri (J. B. Fischer, 1829)
  • H. typicus Sclater and Thomas, 1899

The roan antelope (Hippotragus equinus) is a large savanna-dwelling antelope found in western, central, and southern Africa.[3] Named for its roan colour (a reddish brown), it has lighter underbellies, white eyebrows and cheeks and black faces, lighter in females. It has short, erect manes, very light beards and prominent red nostrils. It is one of the largest antelope, measuring 190–240 cm (75–94 in) from head to the base of the tail, and a 37–48 cm (15–19 in) long tail. Males weigh 242–300 kg (534–661 lb) and females 223–280 kg (492–617 lb). Its shoulder height is around 130–140 cm (51–55 in).[4][5][6]

Taxonomy and evolution

The roan antelope shares the

Latin equus ("horse-like"), referring to the horse-like appearance of this antelope.[7]

In 1996, an analysis of mitochondrial DNA extracted from a mounted specimen of the bluebuck found that it was outside the clade containing the roan and sable antelopes. The study therefore concluded that the bluebuck is a distinct species, and not merely a subspecies of the roan antelope. The cladogram below shows the position of the roan antelope among its relatives, following the 1996 analysis:[8]

blesbok (Damaliscus pygargus phillipsi)

bontebok (Damaliscus pygargus pygarus)

bluebuck (Hippotragus leucophaeus)†extinct

roan antelope (Hippotragus equinus)

sable antelope (Hippotragus niger)

In 1974, palaeoanthropologist Richard Klein studied the fossils of Hippotragus species in South Africa. Most of these were found to represent the bluebuck and the roan antelope. The roan antelope seems to have appeared in the Nelson Bay Cave region following climatic changes in the Holocene.[9]

Subspecies

Six subspecies are recognised:[2][10][11]

Characteristics

Physical description

The roan antelope is a large antelope with a horse-like build. It is the largest antelope in the genus Hippotragus, and one of the largest species of antelopes in the world. Only elands, bongos and large male greater kudus can exceed them in weight on average. The roan antelope stands 135–160 centimetres (53–63 in) at the shoulder, and weighs 230–320 kilograms (510–710 pounds). The head-and-body length is typically between 235 and 285 centimetres (93 and 112 inches). The dark tail, terminating in a black tuft, measures up to 54 cm (21 in).

Characteristic features include a short, erect mane of grayish brown hair extending from the back of the neck along the midline of the back up to the

ventral
parts are yellow to white, while the neck and the manes are gray to black.

They are somewhat similar in appearance to the sable antelopes and can be confused where their ranges overlap. Sable antelope males are notably darker, being brownish-black rather than dark brown.[12]

Habitat and behavior

Roan antelopes can be found in woodland, grassland, and savannah; mainly in the

grasses
.

They live in small groups and form harem groups of 5 to 15 animals with one dominant male. Males commonly fight among themselves for dominance of their herd, brandishing their horns while both animals are on their knees.

References

  1. doi:10.2305/IUCN.UK.2017-2.RLTS.T10167A50188287.en
    . Retrieved 11 November 2021.
  2. ^
    OCLC 62265494
    .
  3. ^ "Roan Antelope". World Association of Zoos and Aquariums. Retrieved 14 April 2014.
  4. ^ ANIMAL BYTES – Roan Antelope. Seaworld.org. Retrieved on 10 October 2013.
  5. ISBN 0789477645
  6. ^ Roan antelope videos, photos and facts – Hippotragus equinus Archived 14 June 2012 at the Wayback Machine. ARKive (28 June 2011). Retrieved on 2013-10-10.
  7. ISBN 978-0-877-79809-5
    .
  8. PMID 8643125
    .
  9. ^ Klein, R.G. (1974). "On the taxonomic status, distribution and ecology of the blue antelope, Hippotragus leucophaeus". Annals of the South African Museum. 65 (4): 99–143.
  10. ^
    ISBN 978-1-408-18996-2
    .
  11. ISBN 978-1-4214-0093-8
    .
  12. ISBN 978-0-761-47266-7
    .

External links

Wikimedia Commons has media related to Hippotragus equinus.
  • "Maharif" .
    New International Encyclopedia
    . 1905.     A subspecies.
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