What's New :
UPSC Interview Guidance Program. Register here...

Decrease in eastern swamp deer population at Kaziranga National Park

  • Category
  • Published
    25th Jan, 2022


The Kaziranga National Park and Tiger Reserve released the Wetland Bird Estimation Report for 2021-2022. And the Eastern Swamp Deer census has revealed a slight decrease in their numbers due to two high floods in 2019 and 2020.


About Eastern swamp deer

    • Eastern swamp deer (Rucervus duvaucelii ranjitsinhii), locally known as ‘Dal horina’ is the rarest recognised subspecies of swamp deer in India and Nepal. 
      • The subspecies’ scientific name Rucervus duvaucelii ranjitsinhii is named after MK Ranjitsinh, one of India’s leading voices on conservation in India contribution towards the identification of it as a separate subspecies of swamp deer.
    • The stronghold of the Eastern Swamp Deer is in Kaziranga, with a population of less than 1,000.
    • The species is one of the three subspecies of swamp deer, commonly known as the barasingha. 
    • The other two subspecies are: 
      • Wetland swamp deer (R.d. duvaucelii) found in Gangetic plains 
      • Hardground swamp deer (R.d. branderi) found in central India
  • Conservation Status
    • IUCN Red List: Vulnerable
    • CITES: Appendix I
    • Wildlife Protection Act, 1972: Schedule I

Kaziranga National Park and Tiger Reserve

  • Kaziranga National Park and Tiger Reserve, one of India’s seven UNESCO world heritage sites.
  • It is home to one-horned rhinos, Royal Bengal Tigers, and Asian Elephants in addition to thousands of birds of over 125 species.
  • Kaziranga lies in the floodplains of the Brahmaputra, a gargantuan river that crosses the international borders of Tibet, cuts through the mighty Himalayas, enters India through Arunachal Pradesh, and then turns south to reach Bangladesh. 

Key-highlights of the Report

  • A total of 66,776 birds of 126 species were enumerated using the Point Count method.
  • Out of this, 42,205 birds were counted in the Kaziranga National Park area while 24,571 birds were counted in Laokhowa and Burachapori Wildlife Sanctuaries.
  • As per the report, the ten most populous species include: 
    • Bar-headed Goose (16,552)
    • Northern Pintail (9,493)
    • Common Teal (5,631)
    • Little Cormorant (3,462)
    • Greylag Goose (3,453)
    • Lesser Whistling Duck (3,401)
    • Gadwall (2,430)
    • Ferruginous Duck (2,236)
    • Eurasian Coot (2133)
    • Eurasian Wigeon (1,731)
  • This is also the first time that Eastern Swamp Deer was estimated in the whole of the region. 
  • Prior to this, it was only estimated in the Kaziranga National Park.
  • Eastern Swamp Deer Estimation, 2022: In 2022, a total of 868 Eastern Swamp Deer have been recorded (including 173 male, 557 female, and 138 yearlings) compared to 907 in 2018. 
    • A decline has been estimated in their population due to the two high floods in 2019 and 2020.


Verifying, please be patient.

Our Centers

DELHI (Karol Bagh)

GS SCORE, 1B, Second Floor, Pusa Road, Karol Bagh, New Delhi - 110005 (Beside Karol Bagh Metro Station Gate No. 8)

Get directions on Google Maps

BHUBANESWAR (Jaydev Vihar)

GS SCORE, Plot No.2298, Jaydev Vihar Square, Near HCG Day Care, BBSR - 751013

Get directions on Google Maps

LUCKNOW (Aliganj)

GS SCORE, 2nd Floor, B-33, Sangam Chauraha, Sector H, Aliganj, Lucknow, UP - 226024

Get directions on Google Maps

Enquire Now