Source: Free Press Journal
Context: Over the past three days, 164 migratory birds were found dead at Sambhar Lake in Rajasthan, raising concerns about a possible recurrence of avian botulism, which previously caused the deaths of around 18,000 birds in 2019.
Why in news:
- Mysterious bird deaths: 164 migratory birds, including Northern Shovelers and Black-winged Stilts, were found dead at Sambhar Lake.
- Suspected cause: Preliminary analysis suggests avian botulism, a bacterial illness that affects birds in low-oxygen environments.
- Response actions: Local authorities, with support from the State Disaster Response Force (SDRF), are removing dead birds to prevent the spread of the disease, and officials from multiple departments are coordinating conservation efforts.
About Sambhar Lake:
- Location: Situated in Nagaur and Jaipur districts, Rajasthan, 80 km southwest of Jaipur.
- Largest saltwater lake: India’s biggest inland saline lake, spanning over 200 sq. km.
- Shape and feed: Elliptical in shape, fed by ephemeral streams like Mendha and Runpangarh.
- Ramsar site: Designated as a Ramsar site in 1990, marking it as a wetland of international importance.
- Migratory birds: Key winter habitat for flamingos, pelicans, and various migratory birds, especially during winter.
- Salt production: Produces approximately 210,000 tonnes of salt annually, making Rajasthan one of India’s top salt-producing states.
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