The pheasant-tailed jacana (Hydrophasianus chirurgus)
බළල් සේරා (Balal Sera) /Pheasant-tailed Jacana (Hydrophasianus chirurgus)
Common breeding resident bird of weed covered tanks and marshes in the low country. It lives as scattered flocks walking on the floating vegetation using their long toes and claws. It has a cat-like high-pitch mew, mew…. loud call and hence the Sinhala name Balal Sera. It feeds on seeds of varies water plants, grains and some aquatic insects, shrimps etc.. Breeding season is from February to July and nest, usually a water-logged pile of weeds among lotus leaves where it lays 3-4 bronze brown color eggs.
After breeding Jacanas loose their attractive plumage and long tail, becoming drab with brownish upperparts and white underparts, a dark line runs from face down to breast band along neck on either side.
Source - Wikipedia