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Conservationists are
because the
of African black rhinos increased. The rhinos had been poached to near
. An international conservation
said there were 4,845 black rhinos in Africa in 2012. This rose to 5,630 in 2018 - an
of 2.5 per cent a
for six years. The increase is a good
for the future of the
. They are still endangered and at
of extinction. Conservationists hope numbers will
growing.