February 17, 2025, 8:29 am

Bangladesh’s Migratory Birds Face Habitat Crisis

sarakhon desk
  • Update Time : Wednesday, February 5, 2025

Bangladesh’s wetlands and coastal regions transform into vibrant sanctuaries for migratory birds every winter, attracting thousands of species from Mongolia, China, Russia, and Siberia. However, researchers have observed a steady decline in bird populations due to habitat destruction, grazing, and conservation mismanagement.

Alarming Decline in Bird Populations

A study of Tanguar Haor found that 41 out of 69 bird species were migratory, but nearly 59% of them showed a decline between 2008 and 2021. Critically endangered species like Baer’s pochard and the vulnerable common pochard are particularly at risk. Similarly, surveys at Nijhum Dwip recorded 13 threatened or near-threatened waterfowl species, highlighting the growing crisis.

Threats to Migratory Birds

Experts point to several key threats:

Wetland Degradation – Cattle grazing and domestic duck farming have damaged food sources and nesting areas.
Coastal Afforestation – Government-led mangrove plantations, while beneficial for coastal protection, are altering mudflats crucial for migratory birds.

Policy Gaps – Poor coordination between the environment, livestock, and agriculture ministries has led to conflicting land-use policies.

Call for Policy Reforms

Conservationists stress the need for integrated policies to balance agricultural expansion with habitat protection. Without immediate intervention, Bangladesh’s reputation as a winter sanctuary for migratory birds could be at risk.

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