The Attidiya Bird Sanctuary is a natural oasis located in the bustling city of Colombo, Sri Lanka. This protected sanctuary serves as a haven for a diverse array of avian species, both endemic and migratory. Stretching over 372 hectares, it is a wetland ecosystem that is rich in bio-diversity, playing host to more than 50 species of butterflies and over 150 species of birds. Visitors to the sanctuary can immerse themselves in nature as they walk along the pathways and wooden bridges, observing birds such as the endemic Sri Lanka Swallow, the threatened Pheasant-tailed Jacana, and the colorfully plumaged Purple Heron. The wetland's lush vegetation is also home to various species of mammals and insects. Educational signboards are strategically placed to inform visitors about the flora and fauna. The serenity and natural beauty of Attidiya Bird Sanctuary make it a perfect spot for bird watchers, nature lovers, and photographers looking to capture the essence of Sri Lanka's wildlife. The sanctuary acts as a significant lung space for Colombo, contributing to the ecological balance by purifying the air and supporting water retention.