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, herd protects darted animal and attempts to chase off researchers. "Africa's Greats. Film by Iain Douglas-Hamilton. Produced by NYZS"--Film credits.