Hundreds of elephants may have died from toxic algae, officials say

Even scavengers — like hyenas and vultures — observed feeding on the elephant carcasses showed no signs of illness. A combination photo shows dead elephants in Okavango Delta, Botswana, in the months of May and June 2020. First published on September 21, 2020 / 3:10 PM Meanwhile, the Botswana government has also ruled out human causes like anthrax poisoning, poaching and sabotage.Dr. Hundreds of elephants in Botswana may have died from toxic algae, officials say

By Debora Patta

September 21, 2020 / 3:10 PM
/ CBS News

More than 20 elephants found dead in Botswana

More than 20 elephants found dead in Botswana… He explained that the Botswana government has not said where the toxins were found — if they found it in water samples that would make their conclusions “highly suggestive but not conclusive.”He also said there are different types of cyanobacteria and it’s crucial to pinpoint exactly which one it is to mitigate against any future harm to the elephants.The Botswana government said it will implement “a monitoring plan of seasonal water-pans” to track any future occurrences. Photos obtained by Reuters

Most of the surviving elephants fled the area after the deaths, which occurred mainly near seasonal water areas and did not spread beyond that region.Samples from the elephants carcasses were sent to laboratories for testing in Southern Africa, and now experts are saying the most likely cause is a cyanobacteria that lives in the water and could have caused paralysis and death mainly related to respiratory failure. The elephants in the Seronga area in Southern Africa died from a neurological disorder that appears to have been caused by drinking water tainted by “a toxic bloom of cyanobacterium in seasonal pans (water sources) in the region,” according to Cyril Taolo, the acting Director of Wildlife and National Parks.Unusually no other wildlife species were affected by the toxic water in the Seronga area, close to Botswana’s famed Okavango Delta, said Taolo. Get Breaking News Delivered to Your Inbox

With an estimated 130,000 elephants, Botswana has the world’s largest population of the pachyderms, which attracts international tourists. 06:39

After months of concern and speculation, the Botswana government on Monday said that the sudden death of more than 330 elephants in northwestern Botswana earlier this summer may have occurred because they drank water contaminated by a toxic blue-green algae. Trending News

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However, Taolo could not explain why these toxins did not affect any other animals drinking the affected water. Niall McCann, director of the National Park Rescue’s Conservation, told CBS News that many unanswered questions remain.