How could there only have been one last male white rhino?

At the end of the 19th century, it was down to just a few dozen southern white rhinos, clinging to existence in a single South African reserve. Now, there are ... In both scenarios, the resulting embryos would then have to be implanted back into a surrogate mother—something that hasn't been done before. read more

Well he was not the only male white rhino but he was the only male norther white rhino. They were a subspecies of white rhino that were hunted for their horn by humans. They have been extinct in the wild for awhile by now of course. Both females (and previously the male) had lived in Czech zoo along with three other Rhinos (2 males and one female). read more

A dying northern white rhino is carrying the fate of his species with him - as conservationists pray for an unlikely miracle that he can father an offspring before passing away. The world's only remaining male of his kind, 42-year-old Sudan is seeing out his final years under armed guard to safeguard him from poachers. read more

This is the last male Northern White Rhino. The Last. Nevermore,” he wrote in a tweet alongside a photo of the gentle giant. Sudan lives with two other known living females of his species at Ol Pejeta Conservancy in Kenya. They are protected from rhino poachers by a 24-hour armed guard. However, it is not only hunters who puts him at risk for extinction. read more