Walia ibex

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Walia ibex
Walia ibex 2.jpg
Female Walia Ibex, Simien Mts, Ethiopia (7155770258).jpg
Female with juvenile
Semien Mountains National Park, Ethiopia
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Artiodactyla
Family: Bovidae
Subfamily: Caprinae
Tribe: Caprini
Genus: Capra
C. walie
Binomial name
Capra walie
Rüppell, 1835
Capra walie distribution.png
Range of the walia ibex (in black)

The walia ibex (Capra walie, Amharic: ዋልያ wālyā Oromo: Waliyaa or Gadamsa baddaa) is a vulnerable species of ibex. It is sometimes considered an endemic subspecies of the Alpine ibex. If the population were to increase, the surrounding mountain habitat would be sufficient to sustain only 2,000 ibex. The adult walia ibex's only known wild predator is the hyena. However, young ibex are often hunted by a variety of fox and cat species. The ibex are members of the goat family, and the walia ibex is the southernmost of today's ibexes. In the late 1990s, the walia ibex went from endangered to critically endangered due to the declining population. The walia ibex is also known as the Abyssinian ibex. [2] [3] Given the small distribution range of the Walia ibex in its restricted mountain ecosystem, the presence of a large number of domestic goats may pose a serious threat that can directly affect the survival of the population. [4]



Ruppell's depiction of the species (1835). Neue Wirbelthiere zu der Fauna von Abyssinien gehorig (1835) Capra walie.png
Rüppell's depiction of the species (1835).

These animals have a chocolate-brown to chestnut-brown coat coloration, greyish-brown muzzle, and a lighter grey in the eyes and legs. The belly and insides of the legs are white, and black and white patterns stretch upon the legs of these animals. The males weigh 80–125 kg (180-280 lb) and have very large horns which curve backwards, reaching lengths up to 110 cm (43 in). These horns are used for dominance disputes between males. The males also have distinguished black beards. The length of the walia ibex beard varies with age. The older males have longer, thicker beards than the young ones . Females also have horns, but they are shorter and thinner. Females are smaller and lighter in color. The horns on both males and females are rigid. The overall size of the walia ibex is smaller and slimmer than the alpine ibex.


Walia ibex live in herds ranging from five to 20 animals. However the older, more mature males are often more solitary, though they will remain within a short distance of the main herd most times and during the mating season and rejoin with the herd for breeding purposes. Breeding usually takes place during late fall and early winter. The following spring, the female will give birth to one or two offspring. A herd of walia ibex was noted to travel one half of a kilometer up to two kilometers per day.

Habitat and ecology

A group of Walia ibex, Semien Mountains, Ethiopia. Walia ibex and giant lobelia in semien mountians of national park of Ethiopia.jpg
A group of Walia ibex, Semien Mountains, Ethiopia.

The Walia ibex lives in very steep, rocky cliff areas between 2,500 and 4,500 m (8,200 and 14,800 ft) high. Their habitats are mountain forests, subalpine grasslands, and scrub. They are grazers. Their diets include bushes, herbs, lichens, shrubs, grasses, and creepers. They often stand on their hind legs to get to young shoots of giant heath. Walia ibex are most active in the morning and evening and will rest in the sun on rock ledges. Males live in bachelor groups and females live in groups with their offspring. Mating season is at the summit from March to May. Males compete for females by ramming their horns with amazing force. Gestation periods last 150–165 days. They reach sexual maturity at one year of age.


This species is found only in the northern mountains of Ethiopia. Once widespread in the Semien Mountains, the numbers dropped during the 20th century. Only 200–250 animals were surviving in 1994–1996, but recently the population has somewhat increased to about 500 individuals in 2004. Habitat loss and hunting are major threats to the species. The encroaching settlement, livestock grazing, and cultivation are also big problems. Road construction is also fragmenting their habitat. The pressure and competition for natural resources have seen a constant increase in the past decades. Not only from livestock but also human agriculture and needs. This increase has affected the rate of interbreeding, survival, and expansion of the population. This impact has seen the endangerment level continue to rise and fewer and fewer resources are available for the native species to sustain their presence (Alemayehu et al, 2011). The most important stronghold for their survival is now the 13,600 ha (34,000 acres) sized Semien National Park which was established in 1969. The Walia ibex is considered to be vulnerable by the IUCN and needs further conservation measures to survive. Since no captive population is kept anywhere in the world, the IUCN recommends capturing a few individuals to form the nucleus of a captive breeding group. [1]

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  1. 1 2 Ejigu, D. (2020) [errata version of 2020 assessment]. "Capra walie". IUCN Red List of Threatened Species . 2020: e.T3797A178652661. doi: 10.2305/IUCN.UK.2020-2.RLTS.T3797A178652661.en . Retrieved 26 April 2021.
  2. "Endemic Animals of Ethiopia".
  3. "Encyclopedia Britannica, "Ibex"".
  4. Berihun (2016). "DNA Metabarcoding Reveals Diet Overlap between the Endangered Walia Ibex and Domestic Goats - Implications for Conservation". PLOS ONE. 11 (7): e0159133. Bibcode:2016PLoSO..1159133G. doi: 10.1371/journal.pone.0159133 . PMC   4945080 . PMID   27416020.