The data set contains over 160 polygons indicating the boundaries of the 123 Important Bird Areas in South Africa. The following data are mentioned in the attribute table:IBA_SA: This is a number assigned by BirdLife South Africa to each IBAProvince: A list of the provinces where the IBA occursProtection: Indicating the protection status of the IBAName: The official name of the IBAGlobal_Sub: An IBA can be classified as a Global or Sub-regional IBA based on the criteria used to define the IBAIBA-ZA: The number of the IBA as allocated by BirdLife International