On June 18, 2020, we reported about the mysterious deaths of 154 elephants in Botswana. At the time, wildlife officials in Botswana said that the cause of the deaths was being investigated. According to a statement released by the Botswana Wildlife Conservation on Monday, it turns out that the elephants were killed by cyanobacteria. Cyanobacteria is a type of algae that is found in many warm, calm waters around the world.