SAMBHAR SEES HUGE SURGE IN MIGRATORY BIRDS
Why in News
- India’s largest inland saltwater lake, Sambhar Lake (Rajasthan), has recorded a remarkable 40% increase in migratory bird arrivals this winter compared to last year.
- The surge coincides with the highest water levels in five decades, creating ideal ecological conditions for waterbirds and flamingos.
ABOUT SAMBHAR LAKE

CURRENT OBSERVATION (WINTER 2025-26)

KEY DRIVERS OF SURGE
- Exceptional monsoon rains (2025) replenished the lake basin.
- High water levels (highest in 50 years) supported abundant algae, plankton, and invertebrates — rich feeding grounds for migratory birds.
- Improved wetland ecology following reduced industrial discharge during the last season.
MIGRATION & ECOLOGICAL IMPORTANCE

CONCERNS: BIRD CASUALTIES REPORTED
- A few bird deaths and weakness symptoms reported near Khakharki village (Nagaur district side).
- Rescue operations initiated by the Forest and Animal Husbandry Departments.
- Samples sent to the Central Avian Research Institute, Bareilly for testing.
Preliminary Suspicions:
- Avian Botulism — though experts say risk is low this year due to high water levels and minimal stagnation.
WHAT IS AVIAN BOTULISM?

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