What killed hundreds of elephants in Botswana? Still unknown Botswana’s government says it still doesn’t know what caused the deaths of hundreds of elephants in recent weeks, but testing continuesGABORONE, Botswana -- Botswana’s government says it still doesn’t know what caused the deaths of hundreds of elephants in recent weeks, but testing continues. The investigation involves help from laboratories in South Africa, Zimbabwe, Britain and the United States. The investigations, including an aerial survey, are expected to be completed this week. Botswana has the world’s highest population of elephants with more than 156,000 counted in a 2013 aerial survey in the north.

Source: ABC News July 27, 2020 10:07 UTC