“BioRescue expects to soon implant a northern white rhino embryo into a southern white rhino surrogate mother. The two subspecies are similar enough, according to the researchers, that the embryo will be likely to develop.

Eventually this approach may also help other critically endangered rhinos, including the Asian Javan rhinoceros and the Sumatran rhinoceros, which each now number under 100 individuals, Stejskal says.”

From National Geographic.