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[The Conversation Africa] In the shadows of Python Cave, Uganda, a leopard leaps from a guano mound - formed by bat excrement - and sinks its teeth into a bat. But this is no ordinary bat colony. The thousands of Egyptian fruit bats (Rousettus aegyptiacus) found in this cave are known carriers of one of the world's deadliest viruses: Marburg, a close cousin of Ebola.