Hartmann's mountain zebra (Equus zebra hartmannae) is a subspecies of the mountain zebra found in far south-western Angola and western Namibia, easily distinguished from other similar zebra species by its dewlap as well as the lack of stripes on its belly.
| Hartmann's mountain zebra | |
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| Hartmann’s mountain zebra in Etosha National Park in Namibia | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Perissodactyla |
| Family: | Equidae |
| Genus: | Equus |
| Species: | |
| Subspecies: | E. z. hartmannae
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| Trinomial name | |
| Equus zebra hartmannae (Matschie, 1898)
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| Range map of Equus zebra hartmannae and Equus zebra zebra | |
Habitat and behaviour
editThey are agile climbers and are able to live in arid conditions and steep mountainous country.[3]
Hartmann's mountain zebras prefer to live in small groups ranging from as little as 3 individuals to as many as 12. Herds will either be a breeding herd comprising one stallion and potentially many mares or it will be a bachelor group that consists primarily of young males. Young males raised as foals within the breeding herds will generally be kicked out when they are as young as 24 months, whereafter they may become the stallions of their own breeding herds within 5 years. When two breeding herds come into contact with one another, each respective stallion will engage the other in an elaborate posturing ritual.[4]
Hartmann's mountain zebra has been described as an ecosystem engineer—while engaging in their unique dust bathing behavior they create a persistent depression known as a rolling pit. Even after the zebra abandons a rolling pit, they will generally remain visible for many years. These rolling pits appear to provide a favorable microsite for the native vegetation—ultimately leading to denser growth throughout the pit.[5]
About the Hartmann’s Mountain Zebra
editHartmann's mountain zebras have a "gridiron" of narrow stripes across their back, small dewlap under the chin, and no shadow stripes. They're very good climbers compared to the other species of zebra and they have very hard and pointed hooves. They are in the horse family (Equids) and related to common zebras. Although the status of this sub-species is better than that of the Cape mountain zebra of South Africa, it is still considered vulnerable to extinction. They are managed by the International Studbook for Hartmann's mountain zebra. They are skilled climbers and have very hard and pointed hooves compared to other zebras and equids. Hartmann's mountain zebras are known for their playful demeanor compared to other zebra species.
Description
editHartmann's mountain zebras have a defining dewlap hanging from their throat and they are striped all the way down to their hooves with white bellies, whereas some other similar looking mountain zebra species only have stripes down to their knees and lack the completely white belly.
Taxonomy
editIt has been argued that Hartmann's mountain zebra should be considered a separate species from the Cape mountain zebra,[6] but this is not supported by genetic evidence (see Mountain zebra#Taxonomy). Consequently, it is no longer considered a separate species in Mammal Species of the World.[7] 2005.
References
edit- ^ Novellie, P. 2008. Equus zebra ssp. hartmannae. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 17 January 2013.
- ^ "Appendices | CITES". cites.org. Retrieved 2022-01-14.
- ^ "Mountain Zebra - Facts, Diet & Habitat Information". Animal Corner. Retrieved 2020-11-18.
- ^ Penzhorn, B. L. (2010-04-26). "A Long-term Study of Social Organisation and Behaviour of Cape Mountain Zebras Equus zebra zebra". Zeitschrift für Tierpsychologie. 64 (2): 97–146. doi:10.1111/j.1439-0310.1984.tb00355.x. ISSN 0044-3573.
- ^ Wagner, Thomas C.; Uiseb, Kenneth; Fischer, Christina (2021). "Rolling pits of Hartmann's mountain zebra ( Zebra equus hartmannae ) increase vegetation diversity and landscape heterogeneity in the Pre-Namib". Ecology and Evolution. 11 (19): 13036–13051. doi:10.1002/ece3.7983. ISSN 2045-7758. PMC 8495834. PMID 34646451.
- ^ "A new perspective on Ungulate Taxonomy". www.ultimateungulate.com. Retrieved 2017-07-12.
- ^ Groves, C. P. (2005). Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Baltimore: Johns Hopkins University Press. ISBN 0-801-88221-4. OCLC 62265494.
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