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Conservationists are
after a rise in the numbers of African black rhinos. The rhinos had been poached to a
of near extinction. Efforts to protect
have worked. Black rhinos are still endangered and are at
of extinction. Conservationists are hopeful their
will keep growing. The International Union for Conservation of Nature reported
there were 4,845 black rhinos in Africa in 2012. This
rose to 5,630 in 2018. This is an
of 2.5 per cent per year over six years. The Union said the increase is a good
for saving the
.