Migratory Birds Return to Singanallur Tank

Summary of Facts and Data

Environmental Overview

• Singanallur Tank, Coimbatore:
  • Despite pollution from sewage and plastics, the tank is attracting migratory birds.
  • Presence of shorelines and shallow water areas makes it unique among Coimbatore’s waterbodies.

Bird Species Observed

• Recent Sightings:
  • Notable bird species include:
    • Red-necked Phalarope: An Arctic migrant last spotted in 2012 at this tank.
    • Curlew Sandpiper, Marsh Sandpiper, Garganey, Common Redshank, Siberian Stonechat, Common Greenshank: Additional species recorded.
    • Other species include:
      • Little Stint, Temminck’s Stint, Ruff, Lesser Sand Plover, Whiskered Tern, Western Marsh Harrier, Eurasian Spoonbill, Western Yellow Wagtail, Blue-tailed Bee-eater, Common Sandpiper, Wood Sandpiper, Barn Swallow, Grey Wagtail.

Conservation Insights

• Importance of Urban Waterbodies:
  • Singanallur Tank serves as a vital stopover for long-distance migrants during the ongoing migratory season.
  • The tank’s conditions highlight the crucial necessity of maintaining shoreline and shallow areas for bird habitats.

Historical Context

• Singanallur tank had previously hosted a variety of migratory birds around 15 years ago, indicating a decline in bird population linked to environmental changes.
• The tank's appeal to migratory birds has fluctuated due to factors such as:
  • Increased water levels.
  • Pollution levels affecting bird activity.

Biodiversity Monitoring

• Coimbatore Nature Society (CNS) has been active in monitoring migratory bird patterns, emphasizing the role of urban water bodies in preserving biodiversity.
• Recent bird activities indicate an improving trend in the tank's attractiveness for migratory birds.

Conclusion

The case of Singanallur tank exemplifies the need for environmental preservation and management within urban ecosystems, highlighting the balance between natural habitats and human influence. The return of migratory birds serves as an important indicator of ecological health and the necessity of conserving urban water resources for biodiversity.