Rothschild's giraffe

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Rothschild's giraffe
Rothschild's Giraffe (Giraffa camelopardalis rothschildi) male (7068054987), crop & edit.jpg
A male Rothschild's giraffe at Murchison Falls National Park, Uganda
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Artiodactyla
Family: Giraffidae
Genus: Giraffa
Species:
Subspecies:
G. c. rothschildi
Trinomial name
Giraffa camelopardalis rothschildi
Lydekker, 1903
Giraffa camelopardalis subspecies map.jpg
Rothschild's giraffe's range in light green
Synonyms

G.c. rothschildi(Lydekker, 1903)

Rothschild's giraffe (Giraffa camelopardalis rothschildi) is a subspecies of the Northern giraffe. It is one of the most endangered distinct populations of giraffe, with 1,399 mature individuals estimated in the wild in 2018. [1]

Contents

Taxonomy and evolutionary history

Rothschild's giraffes at Lake Nakuru National Park in Kenya Lake Nakuru (17417446).jpg
Rothschild's giraffes at Lake Nakuru National Park in Kenya
Rothschild's giraffes at Murchison Falls National Park in Uganda Rothschild giraffe in Murchison Falls National Park.JPG
Rothschild's giraffes at Murchison Falls National Park in Uganda

The IUCN currently recognizes only one species of giraffe with nine subspecies. [1] Giraffa camelopardalis rothschildi is named after the Tring Museum's founder, Walter Rothschild, [2] and is also known as the Baringo giraffe, after the Lake Baringo area of Kenya, [3] or as the Ugandan giraffe. All of those living in the wild are in protected areas in Kenya and Uganda. In 2007, Rothschild's giraffe was proposed as a separate species from other giraffe. [4] In 2016, Rothschild's giraffe was proposed as conspecific with the Nubian giraffe (elevated to full species), but that taxonomy has not been widely adopted. [5]

Characteristics

The Rothschild's giraffe is easily distinguishable from other subspecies. The most obvious sign is in the coloring of the coat or pelt. Whereas the reticulated giraffe has very clearly defined dark patches with bright-whitish channels between them, Rothschild's giraffe more closely resembles the Masai giraffe. However, when compared to the Masai giraffe, the Rothschild's ecotype is paler, the orange-brown patches are less jagged and sharp in shape, and the connective channel is of a creamier hue compared to that seen on the reticulated giraffe. In addition, Rothschild's giraffe displays no markings on the lower leg, giving it the impression of wearing white stockings. [2]

Another distinguishing feature of Rothschild's giraffe, although harder to spot, is the number of ossicones on the head. This is the only Giraffa phenotype to be born with five ossicones. Two of these are the larger and more obvious ones at the top of the head, which are common to all giraffes. The third ossicone can often be seen in the center of the giraffe's forehead, and the other two are behind each ear. [6] They are also taller than many other populations, measuring up to 5.88 metres (19.3 feet) tall. [7] [8] They can weigh up to 2,500 pounds. [9]

Males are larger than females by a few hundred pounds [9] and their two largest ossicones are usually bald from sparring. They usually tend to be darker in colour than the females, although this is not a guaranteed sexing indicator.

The meat of the Rothschild giraffe is supposedly very sweet and its bones contain a specific type of fat that traditional cultures use as medicinal components. [10]

Habitat and distribution

Isolated populations of Rothschild's giraffes live in savannahs, grasslands, and open woodlands of Uganda and Kenya. They are possibly regionally extinct from South Sudan and northeastern Democratic Republic of the Congo.

Ecology and behavior

Rothschild's giraffes mate at any time of the year and have a gestation period of 14 to 16 months, typically giving birth to a single calf. They live in small herds, with males and females (and their calves) living separately, only mixing for mating. [11] The Rothschild's giraffes are tolerant of other animals around them as long as they don't feel threatened. For the most part, they are very friendly, but the males are known to engage in fights for mating. Since this species can mate all year long, those battles seem to be frequent. [12]

Threats and conservation

As of 2018, Rothschild's giraffe is classified as near threatened. Very few locations are left where Rothschild's giraffe can be seen in the wild, with notable spots being Lake Nakuru National Park in Kenya [13] and Murchison Falls National Park [14] in northern Uganda. Their predators are hyenas, lions, crocodiles, and leopards. [9]

Two dwarf giraffes standing only 9.5 feet (2.9 m) tall have been spotted in Murchison Falls National Park. Scientists speculate their dwarfism may have been caused by inbreeding due to species decline. [15]

Three Rothschild's giraffes were electrocuted by low-hanging power lines in Soysambu conservancy in Nakuru, Kenya. [16]

In captivity

Various captive breeding programmes are in place – notably at the Giraffe Centre in Nairobi, Kenya – which aim to expand the gene pool in the wild population of Rothschild's giraffe. As of January 2011, more than 450 are kept in ISIS (international species information system) registered zoos (which does not include the Nairobi Giraffe Centre), making both it and the reticulated giraffe the most commonly kept phenotypes of Giraffa. [17]

Related Research Articles

<span class="mw-page-title-main">Giraffe</span> Tall African ungulate

The giraffe is a large African hoofed mammal belonging to the genus Giraffa. It is the tallest living terrestrial animal and the largest ruminant on Earth. Traditionally, giraffes were thought to be one species, Giraffa camelopardalis, with nine subspecies. Most recently, researchers proposed dividing them into up to eight extant species due to new research into their mitochondrial and nuclear DNA, as well as morphological measurements. Seven other extinct species of Giraffa are known from the fossil record.

<span class="mw-page-title-main">Okapi</span> Species of mammal

The okapi, also known as the forest giraffe, Congolese giraffe and zebra giraffe, is an artiodactyl mammal that is endemic to the northeast Democratic Republic of the Congo in central Africa. However, non-invasive genetic identification has suggested that a population has occurred south-west of the Congo River as well. It is the only species in the genus Okapia. Although the okapi has striped markings reminiscent of zebras, it is most closely related to the giraffe. The okapi and the giraffe are the only living members of the family Giraffidae.

<span class="mw-page-title-main">Giraffidae</span> Family of mammals belonging to even-toed ungulates

The Giraffidae are a family of ruminant artiodactyl mammals that share a common ancestor with deer and bovids. This family, once a diverse group spread throughout Eurasia and Africa, presently comprises only two extant genera, the giraffe and the okapi. Both are confined to sub-Saharan Africa: the giraffe to the open savannas, and the okapi to the dense rainforest of the Congo. The two genera look very different on first sight, but share a number of common features, including a long, dark-coloured tongue, lobed canine teeth, and horns covered in skin, called ossicones.

<span class="mw-page-title-main">Masai giraffe</span> Species of giraffe

The Masai giraffe, also spelled Maasai giraffe, and sometimes called the Kilimanjaro giraffe, is a species or subspecies of giraffe. It is native to East Africa. The Masai giraffe can be found in central and southern Kenya and in Tanzania. It has distinctive jagged, irregular leaf-like blotches that extend from the hooves to its head. The Masai giraffe is currently the national animal of Tanzania.

<span class="mw-page-title-main">Northern giraffe</span> Proposed species of giraffe

The northern giraffe, also known as three-horned giraffe, is the type species of giraffe, G. camelopardalis, and is native to North Africa, although alternative taxonomic hypotheses have proposed the northern giraffe as a separate species.

<span class="mw-page-title-main">Lake Nakuru</span> Alkaline lake in Rift valley

Lake Nakuru is one of the Rift Valley lakes, located at an elevation of 1,754 m (5,755 ft) above sea level. It lies to the south of Nakuru, in the rift valley of Kenya and is protected by Lake Nakuru National Park.

<span class="mw-page-title-main">Kidepo Valley National Park</span> National park in Uganda

Kidepo Valley National Park is a 1,442 square kilometres (557 sq mi) national park in the Karamoja region in northeast Uganda. Kidepo is rugged savannah, dominated by the 2,750 metres (9,020 ft) Mount Morungole and transected by the Kidepo and Narus rivers.

<span class="mw-page-title-main">Wildlife of Kenya</span> Kenyan Heritage

The wildlife of Kenya refers to its fauna. The diversity of Kenya's wildlife has garnered international fame, especially for its populations of large mammals. Mammal species include lion, cheetah hippopotamus, African buffalo, wildebeest (Connochaetes), African bush elephant, zebra (Equus), giraffe (Giraffa), and rhinoceros. Kenya has a very diverse population of birds, including flamingo and common ostrich.

<span class="mw-page-title-main">Kordofan giraffe</span> Subspecies of giraffe

The Kordofan giraffe is a species or subspecies of giraffe found in northern Cameroon, southern Chad, the Central African Republic, and possibly western Sudan. Historically some confusion has existed over the exact range limit of this subspecies compared to the West African giraffe, with populations in e.g. northern Cameroon formerly assigned to the latter. Genetic work has also revealed that all "West African giraffe" in European zoos are in fact Kordofan giraffe. It has been suggested that the Nigerian giraffe's ancestor dispersed from East to North Africa during the Quaternary period and thereafter migrated to its current Sahel distribution in West Africa in response to the development of the Sahara desert. Compared to most other subspecies, the Kordofan giraffe is relatively small at 3.8 to 4.7 meters, with more irregular spots on the inner legs. Its English name is a reference to Kordofan in Sudan. There are around 2,300 individuals living in the wild.

<span class="mw-page-title-main">West African giraffe</span>

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<span class="mw-page-title-main">Giraffe Manor</span>

Giraffe Manor is a small hotel in the Lang'ata suburb of Nairobi, Kenya which, together with its associated Giraffe Centre, serves as a home to a number of endangered Rothschild's giraffes, and operates a breeding programme to reintroduce breeding pairs back into the wild to secure the future of the subspecies.

<span class="mw-page-title-main">South African giraffe</span>

The South African giraffe or Cape giraffe is a species or subspecies of giraffe found in South Africa, Namibia, Botswana, Zimbabwe, Eswatini and Mozambique. It has rounded or blotched spots, some with star-like extensions on a light tan background, running down to the hooves.

<span class="mw-page-title-main">Kigio Wildlife Conservancy</span> Kenyan nature preserve

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<span class="mw-page-title-main">Thornicroft's giraffe</span>

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<span class="mw-page-title-main">Reticulated giraffe</span> Species of giraffe

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<span class="mw-page-title-main">Nubian giraffe</span> Subspecies of giraffe

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References

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  2. 1 2 Reed, Christopher (11 October 2005). "Obituary - Betty Leslie-Melville". The Guardian . London. Retrieved 19 April 2007.
  3. Odada, Eric O. "Lake Baringo" (PDF). Archived from the original (PDF) on 5 June 2011. Retrieved 7 March 2010.
  4. Brown, David M.; Brenneman, Rick A.; Koepfli, Klaus-Peter; Pollinger, John P.; Milá, Borja; Georgiadis, Nicholas J.; Louis, Edward E.; Grether, Gregory F.; Jacobs, David K. (1 January 2007). "Extensive population genetic structure in the giraffe". BMC Biology. 5: 57. doi: 10.1186/1741-7007-5-57 . ISSN   1741-7007. PMC   2254591 . PMID   18154651.
  5. Bercovitch, Fred B.; Berry, Philip S.M.; Dagg, Anne; Deacon, Francois; Doherty, John B.; Lee, Derek E.; Mineur, Frédéric; Muller, Zoe; Ogden, Rob (20 February 2017). "How many species of giraffe are there?". Current Biology. 27 (4): R136–R137. doi: 10.1016/j.cub.2016.12.039 . hdl: 20.500.11820/4c828f1a-f644-4268-9197-eb50244a1d75 . ISSN   0960-9822. PMID   28222287.
  6. "Giraffes will be translocated to Lake Mburo National Park". www.ugandawildlife.org. Retrieved 29 May 2020.
  7. Dagg, A.I.; Foster, J. B. (1982). The Giraffe. Its Biology, Behavior, and Ecology (with updated supplementary material). Malabar, Florida: Krieger Publishing Company.
  8. Nowak, R. M. (1999). Walker's Mammals of the World. Vol. 1. Baltimore, USA and London, UK: The Johns Hopkins University Press. pp. 1086–1089.
  9. 1 2 3 "Rothschild Giraffe (Giraffa camelopardalis rothschildi) - Giraffe Facts and Information" . Retrieved 18 November 2020.
  10. "Saving the endangered Rothschild giraffe – DW – 06/19/2023". dw.com. Retrieved 20 August 2023.
  11. "Rothschild's Giraffe Joins List of Species Threatened by Extinction | African Wildlife Foundation". www.awf.org. Retrieved 29 May 2020.
  12. "Rothschild Giraffe (Giraffa camelopardalis rothschildi) - Giraffe Facts and Information" . Retrieved 17 October 2020.
  13. "Lake Nakuru National Park". UNESCO . Retrieved 7 March 2010.
  14. "National Parks & Safaris". Uganda Tourist Board. Archived from the original on 10 February 2007. Retrieved 9 May 2007.
  15. Freeman, Colin. "Secret life of dwarf giraffes uncovered in Africa". news.yahoo.com. The Telegraph. Retrieved 9 January 2021.
  16. "Kenya: Endangered giraffes killed by low power lines". BBC News. 22 February 2021. Retrieved 22 February 2021.
  17. International Species Information System (2011). Giraffa camelopardalis. Version 12 January 2011.