Sri Lankan elephant
The Sri Lankan elephant (Elephas maximus maximus) is one of three recognized subspecies of the Asian elephant, and native to Sri Lanka. Since 1986, Elephas maximus has been listed as endangered by IUCN as the population has declined by at least 50% over the last three generations, estimated to be 60–75 years. The species is pre-eminently threatened by habitat loss, degradation and fragmentation.
The Sri Lankan elephant population is now largely restricted to a few National Parks and Nature Reserves. Udawalawe National Park, Yala National Park, Wilpattu National Park and Minneriya National Park are prime locations for spotting elephants.
In general, Asian elephants are smaller than African elephants and have the highest body point on the head. The tip of their trunk has one finger-like process. Their back is convex or level. Females are usually smaller than males, and have short or no tusks.
Sri Lankan elephants are the largest subspecies reaching a shoulder height of between 2 and 3.5 m (6.6 and 11.5 ft), weigh between 2,000 and 5,500 kg (4,400 and 12,000 lb), and have 19 pairs of ribs. Their skin color is darker than of indicus and of sumatranus with larger and more distinct patches of depigmentation on ears, face, trunk and belly.
Only 7% of males bear tusks. However, according to the elephant census conducted in 2011 by the Wildlife Conservation Department of Sri Lanka, only 2% of the total population are tuskers.
The elephant population in the National Parks of Sri Lanka is somewhat diminutive in stature when compared both with historical accounts dating back to 200 BC and with the early photographs taken in 19th century during the time of colonial British rule of the island. The smaller size could possibly be the end result of a long-continued process of removing the physically best specimens from the potential breeding-stock through hunting or domestication (see insular dwarfism).
Distribution and habitat
Elephants are restricted mostly to the lowlands in the dry zone where they are still fairly widespread in north, south, east, north-western, north-central and south-eastern Sri Lanka. With the exception of a small remnant population in the Peak Wilderness Sanctuary elephants are restricted mostly to the lowland in the dry zone but are absent from the wet zone of the country. With the exception of Wilpattu and Ruhuna National Parks, all other protected areas are less than 1,000 km2 (390 sq mi) in extent. Many areas are less than 50 km2 (19 sq mi), and hence not large enough to accommodate the entire home ranges of elephants that use them. In the Mahaweli Development Area, protected areas such as Wasgomuwa National Park, Flood Plains National Park, Somawathiya National Park, and Trikonamadu Nature Reserve have been linked resulting in an overall area of 1,172 km2 (453 sq mi) of contiguous habitat for elephants. Nevertheless, about 65% of the elephants range extends outside protected areas.
Ecology and behaviour
Elephants are classified as megaherbivores and consume up to 150 kg (330 lb) of plant matter per day. As generalists they feed on a wide variety of food plants. In Sri Lanka's northwestern region, feeding behaviour of elephants was observed during the period of January 1998 to December 1999. The elephants fed on a total of 116 plant species belonging to 35 families including 27 species of cultivated plants. More than half of the plants were non tree species, i.e. shrub, herb, grass, or climbers. More than 25% of the plant species belonged to the family Leguminosae, and 19% of the plant species belonged to the family of true grasses. The presence of cultivated plants in dung does not result solely due to raiding of crops as it was observed that elephants feed on leftover crop plants in fallow chenas. Juvenile elephants tend to feed predominantly on grass species.
Food resources are abundant in regenerating forests, but at low density in mature forests. Traditional slash-and-burn agriculture creates optimum habitat for elephants through promoting successional vegetation.
In the historical past, elephants were found in the dry zone, the lowland wet zone, as well as in the cold damp forests of the mountains in the island. They enjoyed wide distribution and good numbers from sea level to the highest mountain ranges. Until 1830, elephants were so plentiful that their destruction was encouraged by the Government, and rewards were paid for any that was killed. Their disappearance from the montane zone began with the largescale clearance of forests for the planting of coffee, and afterwards tea, during the first half of the 19th century. Even by the turn of the 20th century, elephants were distributed over much of the island.
Elephant populations in Sri Lanka were seriously depleted through capture and slaughter in the 19th century. Between 1829 and 1855 alone, more than 6,000 elephants were captured and shot.
Size of wild elephant populations in Sri Lanka estimated at
- 12,000 to 14,000 in the early 19th century;
- 10,000 in the early 20th century;
- 7,000 to 8,000 in around 1920;
- between 1,745 and 2,455 individuals in 1969;
- between 2,500 and 3,435 in 1987;
- 1,967 in June 1993 fragmented in five regions;
- between 3,150 and 4,400 in 2000;
- 3150 in 2006;
- 2900-3000 in 2007.
- 5879 in total, 2011 elephant census
Ivory trade in Sri Lanka had a very long history for more than 2000 years. During the Colonial rule in 19th century and early 20th century many bull elephants were killed by trophy hunters. Major Thomas Rogers is credited with having shot over 1,500 elephants. This works out to an average of one elephant being killed by him every day for four years. Two others, Captain Galleway and Major Skinner are reputed to have shot half that number each. Many other ‘sportsmen' have shot in the region of 250-300 animals during this time. At the turn of the twentieth century, the area currently known as Ruhuna National Park was the Resident Sportsman's shooting reserve, a wild country reserved for the sporting pleasure of British residents in Sri Lanka.
During the armed conflict in Sri Lanka, elephants were maimed or killed by land mines. Between 1990 and 1993, a total of 165 wild elephants died as a result of gunshot injuries. In 1994, at least 96 elephants were killed by poachers or land mines, and up to twenty elephants have fallen victims to land mines and been crippled.
Today, given the rarity of tuskers in Sri Lanka, ivory poaching is not a major conservation issue. Nevertheless, some trade in ivory still goes on. Kandy has been identified as the centre for such illegal trade. The greatest threat to elephants comes from an expanding human population and its demand for land. Loss of significant extents of elephant range to development continues currently, with a number of irrigation and development projects leading to the conversion of more elephant ranges to irrigated agriculture and settlements.
Between 1999 to the end of 2006 every year nearly 100 wild elephants were killed. Elephants are killed to protect crops and houses. Other threats are poaching, deforestation, drought and starvation. During drought seasons many elephants damage agricultural land for food. Nearly 80 elephants were killed in north western Sri Lanka, 50 in south and east, and another 30 in other parts of the country, totaling 160 elephant deaths in 2006 alone.
The elephant conservation strategy of the Department of Wildlife Conservation aims at conserving as many viable populations as possible in as wide a range of suitable habitats as is feasible. This means protecting elephants both within the system of protected areas and as many animals outside these areas that the land can support and landholders will accept, and not restricting elephants to the protected area network alone.
- In the Pinnawala Elephant Orphanage in Kegalle injured elephants are treated, and orphaned baby elephants cared for. Nearly 70 elephants live here. Captive breeding is also going on.
- The Udawalawe Elephant Transit Centre in Udawalawe National Park is a rehabilitation centre, where orphaned elephant calves are being kept until they can be released into the wild.
Under the British rulers, the elephant population decreased massively, as elephants were killed for their tusks. This is the main reason for their reduction of population.
Elephants were a common in Sinhalese heraldry for over two thousand years and remained so through British colonial rule. The coat of arms and the flag of Ceylon Government from 1875 to 1948 included an elephant and even today many institutions use the Sri Lankan elephant in their coat of arms and insignia.
An important cultural symbiosis has continued to exist between the elephant and humans for over two thousand years – no religious procession was complete without its retinue of elephants, and many large Buddhist temples in Sri Lanka had their own elephants.
- Choudhury, A., Lahiri Choudhury, D.K., Desai, A., Duckworth, J.W., Easa, P.S., Johnsingh, A.J.T., Fernando, P., Hedges, S., Gunawardena, M., Kurt, F., Karanth, U., Lister, A., Menon, V., Riddle, H., Rübel, A., Wikramanayake, E. (2008). "Elephas maximus". IUCN Red List of Threatened Species. Version 2010.4. International Union for Conservation of Nature.
- Linnaei, C. (1760) Elephas maximus In: Caroli Linnæi Systema naturæ per regna tria naturæ, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Tomus I. Halae Magdeburgicae. Page 33
- Shoshani, J., Eisenberg, J.F. (1982) Elephas maximus. Mammalian Species 182: 1–8
- Shoshani, J. (2006) Taxonomy, Classification, and Evolution of Elephants In: Fowler, M. E., Mikota, S. K. (eds.) Biology, medicine, and surgery of elephants. Wiley-Blackwell. ISBN 0813806763. Pp. 3–14
- Jayewardene, J. (1994) The elephant in Sri Lanka. Wildlife Heritage Trust of Sri Lanka, Colombo
- Santiapillai, C., Fernando, P., Gunewardene, M. (2006) A strategy for the conservation of the Asian elephant in Sri Lanka. Gajah: Journal of the IUCN/SSC Asian Elephant Specialist Group. Number 25: 91–102
- Samansiri, K. A. P., Weerakoon, D. K. (2007) Feeding Behaviour of Asian Elephants in the Northwestern Region of Sri Lanka. Gajah: Journal of the IUCN/SSC Asian Elephant Specialist Group. Number 2: 27–34
- Sukumar, R. (1993) The Asian Elephant: Ecology and Management Second edition. Cambridge University Press. ISBN 052143758X
- Wanigasundara, M. (1991) Sri Lanka - Elephants slaughtered in civil war. Gajah: Journal of the IUCN/SSC Asian Elephant Specialist Group. Number 6: 16–17
- Kotagama, S. (1991) Sri Lanka - Enhancing the survival of elephants. Gajah: Journal of the IUCN/SSC Asian Elephant Specialist Group. Number 6: 24
- Hendavitharana, W., Dissanayake, S., de Silva, M., Santiapillai, C. (1994) The Survey of elephants in Sri Lanka. Gajah: Journal of the IUCN/SSC Asian Elephant Specialist Group. Number 12: 1–30
- Kemf, E., Santiapillai, C. (2000) Asian elephants in the wild. A WWF species status report. WWF, Gland, Switzerland.
- Jayewardene, Jayantha (2012). "Elephants in Sri Lankan History and Culture". Living Heritage Trust. Retrieved 2012-08-02.
- Katugaha, H. I. E.(1997) Tuskers of Ruhuna National Park, Sri Lanka. Gajah: Journal of the IUCN/SSC Asian Elephant Specialist Group. Number 18: 67–68
- Alahakoon, J., Santiapillai, C. (1997) Elephants: Unwitting victims in Sri Lanka's civil war. Gajah: Journal of the IUCN/SSC Asian Elephant Specialist Group. Number 18: 63–65
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