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New hope for almost-extinct northern white rhino

Scientists hope the near-extinct species can be saved by hybrid embryos from the frozen sperm of dead males.

Caregiver Peter with Najin, one of two female northern white rhinos

There are only two northern white rhinos in the world but scientists say they could be closer than ever to preventing their extinction.
The northern white rhino is the world’s most endangered mammal and its situation became especially desperate when the last male of the species, Sudan, died in March.
He had made headlines a few months earlier, when conservationists in Kenya signed him up to Tinder in a bid to help fund his mating with a southern white rhino.
The hybrid embryos were created with frozen sperm from dead northern white rhino males and the eggs of southern white females, a closely-related species with a much healthier population count.
The two surviving members of the northern white species – a mother and daughter called Najin and Fatu – live in Kenya’s Ol Pejeta Conservancy.

They cannot bear offspring, which is why a southern white surrogate is needed.
It will also be a race against time, according to Thomas Hildebrandt, head of reproduction management at the Leibniz Institute for Zoo and Wildlife Research in Berlin.
He said: “Taking into account 16 months (of) pregnancy, we have a little more than a year to have a successful implantation.”

Sudan died of ‘age-related complication’ in March

Mr Hildebrandt hopes the first northern white rhino calf will be born in about three years, saying: “We are quite confident with the technology we have developed.”
Some experts have warned it could already be too late, however.
Richard Kock, a conservationist at Britain’s Royal Veterinary College, said: “I have no doubt that its purely scientific merit is laudable and it might have some application to endangered species conservation in the future, but I am afraid it is very much Nero fiddling after Rome is burning with respect to (northern) white rhino.”
But Mr Hildebrandt stood by the effort, saying: “The northern white rhino didn’t fail in evolution.
“It failed because it’s not bulletproof.
“It was slaughtered by criminals which went for the horn because the horn costs more than gold.”
He said that the disappearance of the northern white rhino, due to conflict and poaching, had left an ecological void but that scientists “have the tools in our hands to correct that”.
The study is published in the journal Nature Communications.

“Credit Sky News”

News Reporter

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