Location

Only Ramsar Site in Assam and Freshwater lake that is always filled with water and Located in an old channel of the Brahmaputra River in Guwahati, Assam

Ramsar Site Recognition

Ramsar Site in 2002

IBA Recognition

Recognized as an Important Bird and Biodiversity Area (IBA) in 2004

Migratory Significance

A key stop for migratory birds, with many aquatic birds, especially in winter

Threatened Species Supported

Spot-billed Pelican, Lesser and Greater Adjutant Storks, Baer’s Pochard

Fish and Aquatic Species

About 50 fish species found, providing resources for local communities

Adjacent Habitat

Rani and Garbhanga hills, home to Asiatic elephants, located on the southern side of the lake

Total Number of Birds 

17,623 birds from 161 species across 50 families

Migratory Birds

48% were winter migrants, indicating strong migratory presence

Residential Birds

52% were residential species

New Species Recorded

5 new species: Black-browed Reed Warbler, Baillon's Crake, Falcated Duck, Pallas's Gull, Slender-billed Oriole

2024 Survey Comparison

11,271 birds from 155 species, a 40% dip compared to 2023

PRACTICE QUESTION

Q.With reference to the Deepor Beel Winter Birding Festival 2025, consider the following statements:

1. The festival documented a total of 17,623 birds from 161 species, showing an increase in bird diversity compared to the previous year.
2. The Deepor Beel Ramsar Site is located in Sikkim and is recognized for its significance to migratory birds.
3. The festival recorded 5 new bird species, including the Black-browed Reed Warbler and Pallas’s Gull. 

Which of the statements given above is/are correct? 

(a) 1 and 2 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2, and 3

Answer: (b)
Explanation:

• Statement 1 is correct
  The festival recorded 17,623 birds from 161 species, marking an increase in bird diversity compared to the previous year, indicating successful conservation efforts.
• Statement 2 is incorrect
  The Deepor Beel Ramsar Site is located in Guwahati, Assam, and plays a vital role for migratory birds, especially during the winter months.
• Statement 3 is correct
  The festival documented five new bird species, including the Black-browed Reed Warbler and Pallas’s Gull, contributing to the growing list of bird species in the region.