Aerial stratified sample counts have been conducted since 1995 in Etosha. The 2015 aerial count of Etosha was conducted from 4 September till 21 September. Including the latter survey, a total of eight comparable multi-species counts have been completed since 1995. The objectives of the 2015 count followed those of the 2012 count and were: 1.1 to provide comparable estimates and trend data for key species in support of species and park management, 1.2 to obtain a population estimate for elephants in line with the MIKE program and in support of CITES, 1.3 to update the population estimate of black rhino in support of the National strategy for the species, 1.4 Additionally, the survey provides a comparable population estimate for black rhino with the specialized helicopter block count. 1.5 The fixed-wing surveys and helicopter block counts can also be applied to provide various levels of data in support of rhino security in Etosha. 1.6 Due to the security situation in Etosha, the Black rhinoceros survey data are not reflected in this report.