The aerial sample count of elephants in Banhine National Park using a helicopter. Considering that it was not an aerial systematic survey and only the number of sighted elephants were used and no elephant estimates or its relevant precision were derived this estimate is graded as an informed guess.
Source:Stalmans, M. (2012). Personal Communication: Banhine survey 2009, Mozambique, 2012. Email to Diane Skinner, 19 November 2012.