One of the last four northerly bloodless rhino   ( genus Ceratotherium simum cottoni ) has perish at San Diego Zoo , leave just three soul persist .

Nola , a 41 - year - old female person , had to be put down on Sunday   November 22 due to drop wellness after receiving OR on an septic abscess in her pelvis .

Astatementon   San Diego Zoo ’s Facebook page said : “ It is with weighty mettle that we annunciate the destruction of Nola , a critically endangered northern white rhino who survive at theSan Diego Zoo Safari Park . This is a very unmanageable personnel casualty for the animate being care staff who worked with her , our volunteers , guests , and to her species worldwide .

" Please take a moment to share your memories of Nola and your sympathy using the hashtag # Nola4Ever . Nola ’s legacy will live on forever as her death leaves just three   northern livid rhinos on the satellite . ”

The three remaining northerly white rhinos all be at the Ol Pejeta Conservancy in Kenya where they are under 24/7 auspices by armed precaution . To discourage poachers , the last remaining male person –   Sudan –   has had his horn off . The two remaining females are infertile .

Poachingwas one of the master   causes of this species ’   reject , although it   was   once abundant across Chad , the Central African Republic , southwestern   Sudan , northern Democratic Republic of the Congo and northwestern Uganda .

A vast snow to these rhinos come in through the totally unregulated hunting activities of European colonizers throughout the 19th one C .

Their number managed to bounce back slightly and there were more than   2,000 as of late as   1960 . However , the growth of the upper - mediate class in East Asia has go through a huge increase in   demand for their horns ,   which are consider to cure everything from hangovers to Crab in traditional Asiatic medicine , although we hump their horns have no medicative belongings .

Although things currently look bleak   for the northern white rhino ’s hereafter , San Diego Zoo has started a $ 2 million ( £ 1.3 million)plan to save the specieswith the help of their much more big cousins , the southern lily-white rhinoceros . Scientists trust they might be able to use the southerly white rhinos to behave as surrogate parent to their northern first cousin throughin vitrofertilization ( IVF ) .