Sri Lankan Sambar Deer (Rusa unicolor unicolor) is a sub-species of Sambar Deer

Sambar Deer

The Sambar ' is a large deer native to southern and southeast Asia. Although it primarily refers to R. unicolor, the name "Sambar" is also sometimes used to refer to the Philippine Deer and the Rusa Deer...

 that lives in Sri Lanka

Sri Lanka

Sri Lanka, officially the Democratic Socialist Republic of Sri Lanka is a country off the southern coast of the Indian subcontinent. Known until 1972 as Ceylon , Sri Lanka is an island surrounded by the Indian Ocean, the Gulf of Mannar and the Palk Strait, and lies in the vicinity of India and the...

. This subspecies is one of the largest Sambar Deer species with the largest antler

Antler

Antlers are the usually large, branching bony appendages on the heads of most deer species.-Etymology:Antler originally meant the lowest tine, the "brow tine"...

s both in size and in body proportions. Large males weight up to 270-280 kg. Sri Lankan Sambar occurs in lowland dry forest, montane forest. Large herds of Sambar Deer roam the Horton Plains National Park

Horton Plains National Park

Horton Plains National Park is a protected area in the central highlands of Sri Lanka and is covered by montane grassland and cloud forest. This plateau at an altitude of is rich in biodiversity and many species found here are endemic to the region. This region was designated a national park in...

, where it is the most common large mammal.