Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Botswana Records Fresh Elephant Deaths Mqondisi Dube GABARONE, BOTSWANA - Wildlife experts in Botswana are doing a flyover of the Okavango Delta after the discovery of at least five more mysterious elephant deaths. Experts have not ruled out a waterborne bacteria that was found to have killed more than 330 elephants last year and at first baffled experts. Regional Wildlife Coordinator, Dikamatso Ntshebe said his office received reports of five dead elephants in the Moremi Game Reserve. The reserve is located within the Okavango Delta. Ntshebe said the animals were collapsing, knees first. Some carcasses are fresh while others are two weeks old. Ntshebe ruled out poaching as the elephant's tusks were still intact. Also watch: Botswana to Repatriate Elephants to Angola to Reduce Overpopulation .