Over 350 elephants have died in Botswana since the beginning of May, and wildlife experts have no idea why the deaths are occurring.
It’s bad enough that the elephants are dying off, but the experts also worry that humans in the area could be impacted.
There is no indication that the animals are being poached, which would be illegal since they are classified as vulnerable populations.
Anthrax has been ruled out, since 100 elephants died in a suspected natural anthrax outbreak last year. Cyanide is not likely either, since that kind of poisoning would also have spread to vultures and other scavenger birds, but none have been found.
The tusks of the animals, which are valuable to poachers, are being removed to keep poachers away.
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