The Unsolved Mystery of Elephants Death in Botswana

The death of hundreds of elephants in Botswana has been an unsolved mystery for a long time during this pandemic in Botswana. Most of these have shown the symptoms of dizziness and walking in circles before dropping dead face-first. Government officials quote that 281 elephants have been verified to be dead with this bizarre behavior, but the conservationists and the NGOs claim that the death toll is much higher.

Initially, wild life experts have omitted the possibility of tuberculosis and believe that the cause is beyond the known diseases. Though the death number does not sound serious in population perspective, it is absolutely critical to complete the diagnosis and have accurate results in order to avoid any foul play or before elephants succumb to more of such mysterious deaths.


Botswana has an estimated 130,000 Savanna elephants and is considered to be one of the last strongholds of species in Africa. The earlier estimations were to be around 350,000 and ivory poaching in 20th century has reduced the species to one third of them today. The thousand-square-mile to the northeast of Okavango Delta, which has witnessed the deaths of elephants has around 18,000 elephants roughly. The wildlife experts and veterans believe that the possible causes could be the ingestion of toxic bacteria into the water, viral infection from rodents in the area or a pathogen infection. Conservationists are also considering the possibility of poisoning by humans.

The investigating officials of the Botswana government had sent for the testing to the laboratories in Zimbabwe, South Africa, US and Canada as well. The wild life department made a press release that the deaths are probably due to natural toxins.

However, the officials have confirmed that the conclusion could not be made about the cause yet.  Authorities have so far ruled out anthrax, as well as poaching, as the tusks were found intact. They believe that some bacteria can naturally produce poison, particularly in stagnant water.

Elephants Without Borders (EWB) is a wildlife conservation charity that first flagged about these mysterious deaths. Their confidential report with references to 356 dead elephants was leaked to the public media in early July. The charity suspected that the deaths were not restricted to any specific age group or gender and has also highlighted that many live elephants have shown signs of weakness, lethargy and even disorientation.

Presence of green lush vegetation and the fact that waterholes in the vicinity are still full of rainwater eliminates the possibility of deaths due to dehydration or starvation. Though the blue green algae can be deadly when consumed along with water, elephants generally drink water from the middle of the water bodies, but not edges. But there has been a pre-historic mass elephant deaths due to Cyanobacteria (blue-green algae) and this cause could only be substantiated with the laboratory results, which is still underway. The neurological symptoms like walking in circles suggests that anthrax poisoning is also a possibility.

The Anthrax bacteria occurs naturally in soil and elephants become infected if they have ingested contaminated soil or breathed in. Anthrax is known to be affecting wild life and domestic animals around the world.

Experts opinionated that it requires a detailed sampling of carcasses, soil and water in the delta area for an accurate explanation. But the challenge is the remoteness and the hot weather in the area which could have degraded the body, erasing important evidences, and scavenging animals which may eat organs making it extremely challenging for the examination. Despite the wildlife conservationists’ huge cry worldwide, there is still no confirmation on the absolute cause for the hundreds of elephant deaths.

366   7 months ago
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366   7 months ago
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