Why it is  in news?

• After a long flight of thousands of miles not often punctuated by breaks lakhs of migratory birds have made their way to the Chilika Lake, Asia’s largest brackish water lagoo
• Major bird congregations have been spotted in the wetlands of the Nalabana Bird Sanctuary inside Chilika.
• Usually, congregation of migratory birds are noticed from the second week of October.
• By this time, Nalabana alone would have hosted more than 4 lakh birds.
• But brewing of a low pressure area over the Bay of Bengal and heavy rain experienced for four days during the second week of November delayed the arrival of bir
• Nalabana with a 15.59-sq.-km area is hosting the highest number of migratory birds this time round.

Better facilities

• Migratory birds fly across continents from Caspian Sea, Baikal Lake and remote parts of Russia, Mongolia and Siberia and flock to the marshy lands of the Nalabana Bird Sanctuary inside the Chilika Lake, which is spread across over 1000 sq. km.
• The Odisha government has announced a bird festival for the first time in January, showcasing the diversity of migratory birds and their numbers.