Roughly 170 bird species have been recorded. Of these, the painted stork, Asian openbill stork, common spoonbill, woolly-necked stork, black-headed ibis, lesser whistling duck, Indian shag, stork-billed kingfisher, egret, cormorant, Oriental darter, spot-billed pelican and heron breed at Ranganathittu regularly. The great stone plover, and river tern also nest there, while the park is also home to a large flock of streak-throated swallows. Ranganathittu is a popular nesting site and about 8,000 nestlings were sighted during June 2011. About 50 pelicans have made Ranganathittu their permanent home.