Deeporbeel bird sanctuary covering an area of around 4sq.kms is situated at a distance of 18kms from the city. It is an extensive wetland within the municipal limits of Guwahati. The sanctuary is home to more than 150 species of birds. Ferruginous duck, adjutant storks, fishing eagle, water cock, grey-headed lapwing, kingfisher etc are among the birds found here. The best time to visit the sanctuary is from December to March.