Film documenting Iain Douglas-Hamilton's African elephant survey, as part of Manyara Elephant Research Project. Includes footage of elephant being darted, fitted with a tracking collar, and revived, and researchers tracking collared elephant. When researchers dart collared elephant again, and herd protects darted animal and chases off researchers. "Africa's Greats. Film by Iain Douglas-Hamilton. Produced by NYZS"--Film credits.