Common resident bird recently split from Red-rumped swallow (Hirundo daurica) adding another endemic bird to Sri lankan list. It is common all over the island in open areas of forests, plantations, paddy fields and scrublands. Often encounters as pairs and sometime as small flocks. It flies usually close to the ground and food consists mainly of small insects captured on the wing. Sri Lanka Swallow built bottle like nest with mud on roof of a cave, under a bridge or sometime even under a roof of a building or a house. Main breeding season is from April to July.