Animalia > Chordata > Mammalia > Artiodactyla > Bovidae > Addax > Addax nasomaculatusAddax nasomaculatus (addax)Synonyms: Cerophorus nasomaculata (homotypic) The addax (Addax nasomaculatus), also known as the white antelope and the screwhorn antelope, is an antelope of the genus Addax, that lives in the Sahara desert. It was first described by Henri de Blainville in 1816. As suggested by its alternative name, this pale antelope has long, twisted horns - typically 55 to 80 cm (22 to 31 in) in females and 70 to 85 cm (28 to 33 in) in males. Males stand from 105 to 115 cm (41 to 45 in) at the shoulder, with females at 95 to 110 cm (37 to 43 in). They are sexually dimorphic, as the females are smaller than males. The colour of the coat depends on the season - in the winter, it is greyish-brown with white hindquarters and legs, and long, brown hair on the head, neck, and shoulders; in the summer, the coat turns almost completely white or sandy blond |
Uniqueness Scale: Similiar (0) Unique (100) Uniqueness & Vulnerability Scale: Similiar & Secure (0) Unique & Vulnerable (100) ED Score: 7.92 EDGE Score: 4.96 |
| Adult Weight [1] | 206.684 lbs (93.75 kg) | | Birth Weight [2] | 12.346 lbs (5.60 kg) | | Female Weight [4] | 165.348 lbs (75.00 kg) | | Male Weight [4] | 246.919 lbs (112.00 kg) | | Weight Dimorphism [4] | 49.3 % |  | | Diet [3] | Herbivore | | Diet - Plants [3] | 100 % | | Forages - Ground [3] | 100 % | | | Female Maturity [2] | 2 years 11 months | | | Gestation [2] | 9 months 12 days | | Litter Size [2] | 1 | | Litters / Year [2] | 1 | | Maximum Longevity [2] | 28 years | | Migration [5] | Intracontinental | | Nocturnal [3] | Yes | | Snout to Vent Length [1] | 5.576 feet (170 cm) | | Weaning [2] | 6 months 18 days |
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| Name |
Countries |
Ecozone |
Biome |
Species |
Report |
Climate |
Land
Use |
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North Saharan steppe and woodlands |
Egypt, Libya, Algeria, Tunisia, Morocco, Western Sahara, Mauritania |
Palearctic |
Deserts and Xeric Shrublands |
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Sahara desert |
Egypt, Sudan, Libya, Algeria, Mauritania, Mali, Chad, Niger |
Palearctic |
Deserts and Xeric Shrublands |
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South Saharan steppe and woodlands |
Mauritania, Mali, Algeria, Niger, Chad, Sudan |
Palearctic |
Deserts and Xeric Shrublands |
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Tibesti-Jebel Uweinat montane xeric woodlands |
Chad, Libya |
Palearctic |
Deserts and Xeric Shrublands |
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West Saharan montane xeric woodlands |
Algeria, Niger, Mali, Mauritania |
Palearctic |
Deserts and Xeric Shrublands |
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Attributes / relations provided by ♦ 1Nathan P. Myhrvold, Elita Baldridge, Benjamin Chan, Dhileep Sivam, Daniel L. Freeman, and S. K. Morgan Ernest. 2015. An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96:3109 ♦ 2de Magalhaes, J. P., and Costa, J. (2009) A database of vertebrate longevity records and their relation to other life-history traits. Journal of Evolutionary Biology 22(8):1770-1774 ♦ 3Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014. EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027 ♦ 4Addax nasomaculatus, Paul R. Krausman and Anne L. Casey, MAMMALIAN SPECIES No. 807, pp. 1-4 (2007) ♦ 5Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at animaldiversity.org♦ 6Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 Wildfinder Database |
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0
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