20:32One PlanetAnimal Migration in a Climate of ChangeEpisode 3BBC World Service Duration: 26 minutes Thu 2nd Oct 2008, 20:32 on BBC World Service OnlineAvailable for over a yearA look at animal migration in a changing world. Part 3: African elephants' migration in South Africa.GenresFactualScience & NatureFormatsDocumentariesBrandOne PlanetSeriesOne Planet: Animal Migration in a Climate of Change Source: BBC Online