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Saudi Scientists Publish First Complete Genomes From Ancient Mummified Cheetahs

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Seven Naturally Mummified Cheetahs Discovered in Northern Saudi Caves Researchers from the National Center for Wildlife uncovered seven naturally mummified cheetahs during 2022‑2023 wildlife surveys in five caves near Arar, Saudi Arabia, documenting both soft tissue and skeletal preservation [1]. The specimens were found in remote limestone formations that had remained undisturbed for centuries, allowing exceptional conservation of anatomical detail [1]. Field teams recorded precise GPS coordinates and cave conditions to support future comparative studies [1].

DNA Links Two Oldest Specimens to Northwest African Subspecies Genomic sequencing of three mummified individuals revealed that the two oldest samples share closest genetic affinity with Acinonyx jubatus hecki, the Northwest African cheetah, marking the first molecular confirmation of this subspecies on the Arabian Peninsula [1]. The analysis demonstrated distinct haplotypes, indicating that at least two separate cheetah lineages historically occupied the region [1]. Researchers emphasized that this genetic diversity challenges previous assumptions of a single homogeneous Arabian cheetah population [1].

Radiocarbon Dating Shows Use of Caves Spanning Millennia Radiocarbon results placed two of the mummified cheetahs between roughly 130 and 1,870 years before present, while additional skeletal fragments from the same sites date back up to 4,000 years [1]. These chronological layers suggest continuous or recurrent cheetah habitation and breeding in northern Saudi Arabia across multiple climatic periods [1]. The data provide a temporal framework for assessing human‑wildlife interactions and habitat changes over the last four millennia [1].

Findings Guide Subspecies‑Appropriate Reintroduction Strategies The study refines understanding of historic landscape use and clarifies extirpation timelines, enabling Saudi Arabia’s reintroduction program to select ecologically suitable cheetah subspecies based on ancient genetic evidence [1]. Lead author Ahmed Al Boug, wildlife specialist Adrian Tordiffe, and CCF director Laurie Marker highlighted reduced threats from habitat loss, extensive protected areas, and successful prey restoration as key factors supporting a viable cheetah recovery effort [1]. They argue that aligning reintroduced populations with historically native lineages will maximize ecological compatibility and long‑term survival prospects [1].

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Timeline

~4,000 BCE – Radiocarbon dating of cheetah skeletal remains in the Lauga cave network shows cheetahs inhabited northern Saudi Arabia as far back as 4,223 years ago, indicating a long‑term native presence before extirpation. [3]

1970s–2020s – Saudi Arabia progressively expands its conservation program, successfully re‑establishing ungulates such as the Arabian oryx, gazelles and Nubian ibex, and now includes apex‑predator restoration among its biodiversity goals. [3]

2022‑2023 – Wildlife surveys by the National Center for Wildlife uncover seven naturally mummified cheetahs and 54 additional skeletal remains in five caves near Arar, providing the first physical evidence of historic cheetah populations in the Arabian Peninsula. [1][2]

2025 – Genomic sequencing of three mummified specimens reveals that the two oldest belong to the Northwest African subspecies (A. j. hecki) and that other specimens align with the Asiatic cheetah (A. j. venaticus), confirming two extinct subspecies once lived in Saudi Arabia. [1][3]

Jan 2026 – Researchers publish the inaugural complete genomes from naturally mummified felines in Communications Earth & Environment, marking the first extraction of full cheetah DNA from ancient mummies. [1]

Feb 5 2026 – Experts debate rewilding: Ravi Chellam states a viable cheetah population requires at least 100,000 sq km of semi‑desert habitat; Liz Kierepka warns that translocating individuals from already depleted African stocks could jeopardize donor populations; and the study recommends sourcing cheetahs from East‑African A. j. raineyi or Southern‑African A. j. jubatus rather than the critically low‑number Asiatic stock. [3]

Feb 20 2026 – Lead author Ahmed Al Boug, wildlife specialist Adrian Tordiffe, and CCF director Laurie Marker declare that reduced habitat loss, large protected areas and successful prey restoration make Saudi Arabia well‑positioned for cheetah recovery, and they plan to use the new genetic data to guide subspecies‑appropriate reintroduction programs. [1]

2026‑2027 (planned) – Saudi reintroduction plans aim to release cheetahs sourced from genetically compatible African subspecies into at least 100,000 sq km of protected desert landscape, aligning habitat suitability with the historic range revealed by the mummified specimens. [1][3]

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