The golden location of building feeds a swiftlet.

- Must the way that a swiftlet flies to change permanent or near a place where have a bird stays originally
- stay near insect place in the nature that is the food of a bird such as mangrove forest, farmland, garden, swamp all place
- be high class the height of 500 not exceed meter areas from water sea level,
- must stay in the area at have no building for a bird greatly. because will make the area and the requirement of a bird don't equilibrium make asset slow returning.