Yo'oko, a male jaguar (Panthera onca) once known to roam the Huachuca Mountains in southern Arizona, was probably killed by a mountain lion hunter.
Over the last 24 hours, Sudan's health declined to the point where he was suffering a great deal and unable to walk.
With the last northern white rhino named Sudan standing on his last leg, conservationists are debating whether his subspecies has a chance at survival.
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