Asiatic lion

Asiatic lion, (subspecies Panthera leo leo), population of lions whose geographic range once extended from Turkey to India. In the present day, however, wild Asiatic lions are limited to India’s Gir Protected Area, which is within a dry deciduous forest and includes the Gir National Park, and a handful of smaller habitats in the western Indian state of Gujarat. Wildlife experts note that between 500 and 700 wild Asiatic lions remain, with an additional 400 individuals kept in captivity in zoos throughout India and Europe. Although the Asiatic lion traditionally has been classified as the subspecies P. leo persica, research suggests that Asiatic lions and the lions of Central and West Africa should be classified together in the subspecies P. leo leo.

Natural history

Asiatic lions differ slightly from their better-known counterparts in eastern and southern Africa—that is, those of the subspecies P. leo melanochaita—in size and a few other superficial physical characteristics. Asiatic lions tend to be smaller; adult males measure 1.07–1.2 meters (3.5–3.9 feet) tall at the shoulder and weigh 160–190 kg (350–420 pounds), while adult females measure 0.8–1.07 meters (2.6–3.5 feet) tall at the shoulder and weigh 110–120 kg (240–265 pounds). All Asiatic lions possess a fold of skin that runs along the abdomen. The color of their fur ranges from reddish tawny to silvery gray, and the fur of some individuals may contain black specks. The manes of male Asiatic lions are thinner and darker than those living in eastern and southern Africa, allowing the ears to be more visible. In addition, Asiatic lions have longer elbow and tail hair, and the skull structure usually includes bifurcated infraorbital foramina (that is, two portals in the skull on either side of the muzzle that serve as openings for arteries, veins, and nerves). This feature appears in some African lions, but it is far more prevalent in Asiatic lions.

Both groups occupy the same position in the food chains of their habitats (that of an apex predator), and several elements of their life cycles are either identical or nearly so. The lengths of their gestation periods differ slightly, but both are about 100–119 days; females in both groups give birth to one to six cubs. Asiatic lions usually hunt at night and prey on mammals of various sizes—including chital, antelope, wild boar, and water buffalo—and they sometimes pick over the carcasses of dead livestock.

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Asiatic lion prides, unlike those of African lions, are separated by gender, males and females associating with one another only when they come together to mate. Female associations are larger, with prides made up of several related females and their young. Such prides may form temporary associations with other females and their young to defend cubs or secure prey and water resources, which can increase the size of the group to 14–18 adult females and their young. Male coalitions, on the other hand, are made up of two or, rarely, three males who associate with one another to defend their territories. In female prides, newly birthed cubs are cared for by their mother for about nine months, during which time they are weaned from their mother’s milk and taught hunting skills, before becoming fully independent by the end of their first year. As with African lions, females become sexually mature between ages three and four. Male Asiatic lions, however, become sexually mature about age five.

Conservation

The International Union for Conservation of Nature and Natural Resources (IUCN) once listed the Asiatic lion as an endangered subspecies; however, the organization revised the Asiatic lion’s status to vulnerable in 2024. Researchers note that the remaining Asiatic lion population in the Gir forest is the product of genetic isolation. The founders of this population became separated from other Asiatic lion populations in Iran and areas farther west by rising water that isolated India’s Kathiawar Peninsula from the subcontinent between 1,000 and 4,300 years ago. Populations outside of what would become the Kathiawar Peninsula continued to decline because of human hunting—especially after the spread of firearms to the region—and habitat loss. Asiatic lion numbers in India also fell, their decline quickened by British colonial hunting parties. By the 1880s there were reports of roughly 12 individuals remaining in the Gir forest. Asiatic lions were extirpated from Turkey and Syria by the 1890s, and the last known Asiatic lions outside India fell prey to hunters in Iran in the 1940s.

Attempts to create sanctuaries for the lions within India date back to the late 1870s, but it was not until the Indian Forest Department created the Gir Protected Area in 1965 that Asiatic lion populations began to steadily increase. The efforts were a success, and population surveys noted that the number of Asiatic lions in the Gir Protected Area grew to 177 by 1968, 359 by 2005, 523 by 2015, and nearly 700 by 2020. Despite such gains, ecologists and conservation officials remain concerned that the concentration of the world’s wild Asiatic lions into a single and small location makes the population vulnerable to disease, forest fire, or other disastrous random events that could result in the population being wiped out. Although Asiatic lions in zoos make up a handful of smaller captive populations, conservation officials note that additional captive populations are needed to reduce the chances of the subspecies becoming extinct.