Sri Lankan leopard | |
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Sri Lankan leopard in Yala National Park | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Mammalia |
Order: | Carnivora |
Suborder: | Feliformia |
Family: | Felidae |
Subfamily: | Pantherinae |
Genus: | Panthera |
Species: | |
Subspecies: | P. p. kotiya |
Trinomial name | |
Panthera pardus kotiya Deraniyagala, 1956 |
The Sri Lankan leopard (Panthera pardus kotiya) is a leopard subspecies native to Sri Lanka. It was first described in 1956 by Sri Lankan zoologist Paules Edward Pieris Deraniyagala. [2]
Since 2020, the Sri Lankan leopard has been listed as Vulnerable on the IUCN Red List, as the population is estimated at less than 800 mature individuals, and is probably declining. [1]
The Sri Lankan leopard has a tawny or rusty yellow coat with dark spots and close-set rosettes. Seven females measured in the early 20th century averaged a weight of 64 lb (29 kg) and had a mean head-to-body-length of 1.04 m (3 ft 5 in) with a 77.5 cm (2 ft 6.5 in) long tail, the largest being 1.14 m (3 ft 9 in) with a 84 cm (2 ft 9 in) long tail; 11 males averaged 56 kg (124 lb), the largest being 77 kg (170 lb), and measured 1.27 m (4 ft 2 in) with a 86 cm (2 ft 10 in) long tail, the largest being 1.42 m (4 ft 8 in) with a 97 cm (3 ft 2 in) long tail. [3] The Sri Lankan leopard has possibly evolved to become a rather large leopard subspecies, because it is the apex predator in the country. Large males have been suggested to reach almost 100 kg (220 lb), but evidence for this is lacking. [4]
Melanistic leopards are rare. Few records exist, including from Mawuldeniya, Pitadeniya, and Nallathanniya. [5] In October 2019, the Department of Wildlife Conservation recorded live footage of a melanistic individual for the first time, a male. [6]
The Sri Lankan leopard is still found in all habitats throughout the island in both protected and unprotected areas. [7] These habitat types can be broadly categorised into: [8]
In Sri Lanka's central hills, leopards have been recorded in forest patches, tea estates, grasslands, home gardens, and pine and eucalyptus plantations. [9]
In Yala National Park, the Sri Lankan leopard as in other locations, is a solitary hunter, with the exception of females with young. Male's ranges typically overlap the smaller ranges of several females, as well as portions of the ranges of neighboring males, although exclusive core areas are apparent. They are more active and prefer hunting at night, but are also somewhat active during dawn, dusk, and daytime hours. They do not usually store their kills in trees, perhaps because similarly-sized or larger carnivores are absent in Sri Lanka. In 2001 to 2002, adult resident leopard density was estimated at 12.1 mature individuals and 21.7 individuals of all ages per 100 km2 (39 sq mi) in Block I of Yala National Park. [10]
The Sri Lankan leopard hunts by silently stalking its prey, until it is within striking distance, when it unleashes a burst of speed to quickly pursue and pounce on its victim. The prey is usually dispatched with a single bite to the throat. Like most cats, it is pragmatic in its choice of diet, which can include small mammals, birds, and reptiles, as well as larger animals. [1] Sri Lankan axis deer make up the majority of its diet in the dry zone. [10] The animal also preys on sambar, barking deer, wild boar, and monkeys. [11]
No birth season or peak is apparent, with births occur across the year. [10] Its lifespan ranges from 12 to 15 years in the wild, and up to 22 years in captivity. [12]
The leopard is sympatric with the Sri Lankan sloth bear. [13] [14]
The survival of the Sri Lankan leopard is primarily threatened by increasing habitat loss and fragmentation, together with an increasing risk of human-induced mortality. Leopards are killed by people either accidentally in wire snares set for other species, or as retaliation after livestock depredation (usually through poisoning the livestock carcass). They are also occasionally shot. Since 2010, over 90 leopards are known to have been killed by people in Sri Lanka. [1]
Three individuals were killed by snare traps in the Sinharaja conservation area, one of which is stuffed and displayed at the Giritale Wildlife Museum. [15] In May 2020, the melanistic leopard filmed in 2019 was found caught in a snare at the Lakshapana Estate in Nallathanniya, Hatton. Later, it was transported to Elephant Transit Home in Udawalawa for treatment, where it died. The snare had heavily injured its neck. [16] [17] Even in large, contiguous protected areas, human encroachment in the border areas is impacting leopard distribution and reducing the effective size of these protected areas. [18]
Ongoing research into the Sri Lankan leopard is needed to ensure that conservation measures are targeted and effective. The Leopard Project under the Wilderness and Wildlife Conservation Trust (WWCT), founded by Anjali Watson, [19] and Dr. Andrew Kittle is working closely with the Government of Sri Lanka to ensure this occurs. The Sri Lanka Wildlife Conservation Society will also undertake some studies. The WWCT is engaged throughout the island with targeted work ongoing in the central hills region where fragmentation of the leopard's habitat is rapidly occurring. [20]
As of December 2011, 75 captive Sri Lankan leopards were in zoos worldwide. Within the European Endangered Species Programme, 27 male, 29 female and 8 unsexed individuals are kept. [21]
The jaguar is a large cat species and the only living member of the genus Panthera that is native to the Americas. With a body length of up to 1.85 m and a weight of up to 158 kg (348 lb), it is the biggest cat species in the Americas and the third largest in the world. Its distinctively marked coat features pale yellow to tan colored fur covered by spots that transition to rosettes on the sides, although a melanistic black coat appears in some individuals. The jaguar's powerful bite allows it to pierce the carapaces of turtles and tortoises, and to employ an unusual killing method: it bites directly through the skull of mammalian prey between the ears to deliver a fatal blow to the brain.
The tiger is a large cat and a member of the genus Panthera native to Asia. It has a powerful, muscular body with a large head and paws, a long tail and orange fur with black, mostly vertical stripes. It is traditionally classified into nine recent subspecies, though some recognise only two subspecies, mainland Asian tigers and the island tigers of the Sunda Islands.
A black panther is the melanistic colour variant of the leopard and the jaguar. Black panthers of both species have excess black pigments, but their typical rosettes are also present. They have been documented mostly in tropical forests, with black leopards in Africa and Asia, and black jaguars in South America. Melanism is caused by a recessive allele in the leopard, and by a dominant allele in the jaguar.
The leopard is one of the five extant species in the genus Panthera. It has a pale yellowish to dark golden fur with dark spots grouped in rosettes. Its body is slender and muscular reaching a length of 92–183 cm (36–72 in) with a 66–102 cm (26–40 in) long tail and a shoulder height of 60–70 cm (24–28 in). Males typically weigh 30.9–72 kg (68–159 lb), and females 20.5–43 kg (45–95 lb).
The Bengal tiger is a population of the Panthera tigris tigris subspecies and the nominate tiger subspecies. It ranks among the biggest wild cats alive today. It is estimated to have been present in the Indian subcontinent since the Late Pleistocene for about 12,000 to 16,500 years. Its historical range covered the Indus River valley until the early 19th century, almost all of India, western Pakistan, southern Nepal, Bangladesh, Bhutan and southwestern China. Today, it inhabits India, Bangladesh, Nepal, Bhutan, and southwestern China. It is threatened by poaching, habitat loss and habitat fragmentation.
The rusty-spotted cat is one of the cat family's smallest members, of which historical records are known only from India and Sri Lanka. In 2012, it was also recorded in the western Terai of Nepal. Since 2016, the global wild population is listed as Near Threatened on the IUCN Red List as it is fragmented and affected by loss and destruction of its prime habitat, deciduous forests.
The Siberian tiger or Amur tiger is a population of the tiger subspecies Panthera tigris tigris native to the Russian Far East, Northeast China and possibly North Korea. It once ranged throughout the Korean Peninsula, but currently inhabits mainly the Sikhote-Alin mountain region in southwest Primorye Province in the Russian Far East. In 2005, there were 331–393 adult and subadult Siberian tigers in this region, with a breeding adult population of about 250 individuals. The population had been stable for more than a decade because of intensive conservation efforts, but partial surveys conducted after 2005 indicate that the Russian tiger population was declining. An initial census held in 2015 indicated that the Siberian tiger population had increased to 480–540 individuals in the Russian Far East, including 100 cubs. This was followed up by a more detailed census which revealed there was a total population of 562 wild Siberian tigers in Russia. As of 2014, about 35 individuals were estimated to range in the international border area between Russia and China.
Yala (යාල) National Park is the most visited and second largest national park in Sri Lanka, bordering the Indian Ocean. The park consists of five blocks, three of which are now open to the public. There are also two adjoining parks, Kumana National Park or 'Yala East' and Lunugamvehera National Park. The blocks have individual names, such as Palatupana. It is situated in the southeastern region of the country, in the Southern Province and Uva Province. The park covers 979 square kilometres (378 sq mi) and is located about 300 kilometres (190 mi) from Colombo. Yala was designated as a wildlife sanctuary in 1900, along with Wilpattu, designated in 1938, as the first two designated national parks in Sri Lanka. The park is best known for its variety of wildlife and is important conservation of Sri Lankan elephants, Sri Lankan leopards and aquatic birds.
The African leopard is the nominate subspecies of the leopard, native to many countries in Africa. It is widely distributed in most of sub-Saharan Africa, but the historical range has been fragmented in the course of habitat conversion. Leopards have also been recorded in North Africa as well.
The Arabian leopard is the smallest leopard subspecies. It was described in 1830 and is native to the Arabian Peninsula, where it was widely distributed in rugged hilly and montane terrain until the late 1970s. Today, the population is severely fragmented and thought to decline continuously. In 2008, an estimated 45–200 individuals in three isolated subpopulations were restricted to western Saudi Arabia, Oman and Yemen. However, as of 2023, it is estimated that 100–120 in total remain, with 70-84 mature individuals, in Oman and Yemen, and it is possibly extinct in Saudi Arabia. The current population trend is suspected to be decreasing.
The Indian leopard is a subspecies of the leopard widely distributed on the Indian subcontinent. It is threatened by illegal trade of skins and body parts, and persecution due to human-leopard conflict and retaliation for livestock depredation.
The Zanzibar leopard is an African leopard population on Unguja Island in the Zanzibar archipelago, Tanzania, that is considered extirpated due to persecution by local hunters and loss of habitat. It was the island's largest terrestrial carnivore and apex predator. Increasing conflict between people and leopards in the 20th century led to the demonization of the Zanzibar leopard and determined attempts to exterminate it. Efforts to develop a leopard conservation program in the mid-1990s were shelved when wildlife researchers concluded that there was little prospect for the population's long-term survival. In 2018, a leopard was recorded by a camera trap, thus renewing hopes for the population's survival, although some experts remain skeptical.
Panthera pardus tulliana, also called Persian leopard,Anatolian leopard, and Caucasian leopard in different parts of its range, is a leopard subspecies that was first described in 1856 based on a zoological specimen found in western Anatolia. It is native to the Iranian Plateau and the surrounding region from eastern Anatolia and the Caucasus to the Hindu Kush, where it inhabits foremost subalpine meadows, temperate broadleaf and mixed forests and rugged ravines at elevations of 600 to 3,800 m. It preys mostly on ungulates reliant on these habitats.
Parc des Félins is a zoological park in France dedicated to the breeding and conservation of wild members of the cat family. It is located in the commune of Lumigny-Nesles-Ormeaux in Seine-et-Marne, about 53.6 km (33.3 mi) southeast of Paris.
The snow leopard is a species of large cat in the genus Panthera of the family Felidae. The species is native to the mountain ranges of Central and South Asia. It is listed as Vulnerable on the IUCN Red List because the global population is estimated to number fewer than 10,000 mature individuals and is expected to decline about 10% by 2040. It is mainly threatened by poaching and habitat destruction following infrastructural developments. It inhabits alpine and subalpine zones at elevations of 3,000–4,500 m (9,800–14,800 ft), ranging from eastern Afghanistan, the Himalayas and the Tibetan Plateau to southern Siberia, Mongolia and western China. In the northern part of its range, it also lives at lower elevations.
Wilpattu National Park is a national park in Sri Lanka. The unique feature of this park is the existence of "Willus" – natural, sand-rimmed water basins or depressions that fill with rainwater. Located on the northwest coast lowland dry zone of Sri Lanka, the park is 30 km (19 mi) west of Anuradhapura and 26 km (16 mi) north of Puttalam. The park is 1,317 km2 (508 sq mi) in area and ranges from 0–152 m (0–499 ft) above sea level. Nearly one hundred and six lakes (Willu) and tanks are found spread throughout Wilpattu. Wilpattu is the largest and one of the oldest national parks in Sri Lanka. Wilpattu is world-renowned for its leopard population. A remote camera survey conducted in Wilpattu from July to October 2015 by the Wilderness and Wildlife Conservation Trust captured photographs of forty-nine individual leopards in the surveyed area, the core area density of which was between that of Yala National Park's Block I and Horton Plains National Park.
The Javan leopard is a leopard subspecies confined to the Indonesian island of Java. It has been listed as Endangered on the IUCN Red List since 2021. The population is estimated at 188–571 mature individuals in 22 fragmented subpopulations and a declining population trend. The total remaining habitat is estimated at only 2,267.9 to 3,277.3 km2.
The Amur leopard is a leopard subspecies native to the Primorye region of southeastern Russia and northern China. It is listed as Critically Endangered on the IUCN Red List, as in 2007, only 19–26 wild leopards were estimated to survive in southeastern Russia and northeastern China.
The Indochinese leopard is a leopard subspecies native to mainland Southeast Asia and southern China. In Indochina, leopards are rare outside protected areas and threatened by habitat loss due to deforestation as well as poaching for the illegal wildlife trade. In 2016, the population was previously thought to comprise 973–2,503 mature individuals, with only 409–1,051 breeding adults. The historical range had decreased by more than 90%. However, as of 2019, it is estimated that there are 77-766 mature Indochinese leopards and that their numbers are decreasing.
Anjali Watson is a Sri Lankan conservationist. She is known for her contributions to leopard conservation and founded the Wilderness and Wildlife Conservation Trust, a conservation and research organisation.