Pyrenean ibex

Pyrenean ibex
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Name	Pyrenean ibex
Status	EX
Status system	IUCN3.1
Genus	Capra
Species	pyrenaica
Subspecies	pyrenaica
Authority	(Blyth, 1841)
Synonyms	*Capra pyrenaica victoriae Cabrera, 1911

Pyrenean ibex. The Pyrenean ibex was a distinctive subspecies of the Iberian ibex endemic to the Pyrenees mountain range. It was the first animal to undergo a "de-extinction" event via cloning in 2003, though the clone survived only minutes. Its extinction in 2000 highlighted the fragility of isolated mountain ungulate populations.

Taxonomy and evolution

The subspecies was formally described by Edward Blyth in 1841, though its taxonomy was later revised by naturalists like Ángel Cabrera. It was one of four recognized subspecies of the Iberian ibex, a species whose evolutionary history is tied to the Pleistocene glaciations of southern Europe. Genetic studies, including those led by institutions like the Consejo Superior de Investigaciones Científicas, placed it within the broader ''Capra'' genus, which includes the Alpine ibex and the Nubian ibex. Its closest relative was the southeastern Spanish ibex subspecies.

Description and characteristics

Males were notably larger than females, with impressive curved horns that could reach over 75 centimeters in length; these horns bore distinctive transverse knobs and were a key feature in displays and combat. The winter coat was thick and greyish-brown, while the summer pelage was shorter and lighter. Both sexes possessed a dark dorsal stripe and dark markings on the legs, similar to other Iberian ibex subspecies, though with unique proportional differences noted by researchers at the Museo Nacional de Ciencias Naturales.

Habitat and distribution

Its range was historically confined to the rugged landscapes of the Pyrenees, straddling the border between France and Spain, particularly within the Ordesa y Monte Perdido and Pyrénées national parks. It preferred steep, rocky cliffs and alpine meadows at high altitudes, which provided escape terrain from predators and access to specific forage. This restricted montane distribution made the population inherently vulnerable to environmental changes and human encroachment.

Behavior and ecology

The Pyrenean ibex was a diurnal, gregarious animal, with segregation between male and female groups outside the rutting season. Its diet consisted primarily of grasses, herbs, and lichens, and it played a role in seed dispersal within its alpine ecosystem. Known predators included the Iberian wolf and the golden eagle, which primarily targeted kids. Seasonal migrations occurred between higher summer pastures and more sheltered winter valleys, a behavior shared with other mountain ungulates like the chamois.

Extinction and conservation efforts

The last known individual, a female named Celia, was found dead in Ordesa y Monte Perdido National Park in January 2000, crushed by a fallen tree. The primary causes of extinction were a catastrophic population collapse due to overhunting in the 19th and early 20th centuries, compounded by habitat fragmentation, competition with domestic livestock, and susceptibility to diseases like sarcoptic mange. A landmark, though ultimately unsuccessful, attempt at de-extinction was undertaken in 2003 by a team from the Advanced Cell Technology company and the Universidad de Zaragoza, using preserved tissue from Celia to create a clone via somatic cell nuclear transfer into a domestic goat egg; the newborn kid died from lung defects shortly after birth. Earlier conservation measures, supported by organizations like the International Union for Conservation of Nature, had proven too little, too late.

Category:Extinct mammals of Europe Category:Subspecies Category:Mammals of the Pyrenees