The estimates of elephant from the reconnaissance survey of Gambella National Park that was carried out during the wet season of November 2009 with a fixed-wing Cessna aircraft. A total of 6 individual elephant were spotted in 1 elephant group.
Source:Trans Frontier Conservation Initiative Task Force (2010). 'Aerial Survey Report: Gambella Reconnaissance 2009 & Census 2010'. Ethiopia: Trans Frontier Conservation Initiative Task Force.