(LiveScience) One of the last five northern white rhinoceroses in the world has died.
Nabiré, a 31-year-old female northern white rhino, died of a ruptured cyst, authorities at the Dvůr Králové Zoo in the Czech Republic announced today (July 28). Nabiré's death leaves only three females of this subspecies alive. One male, Sudan, survives on a reserve in Kenya.
Northern white rhinos (Ceratotherium simum cottoni) have been on the brink of extinction for years because of poaching and habitat loss.
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