Global
numbers of species under threat of extinction is estimated to be from 500,000
to 1,000,000 (IUCN)
Global
numbers of species under threat of extinction is estimated to be from 500,000
to 1,000,000 (IUCN)
Global
rate of species extinction +/- 27,000 species of animal and plant per annum.
(Myers -1987- Beyond the Bars. Thorson.)
Number
of threatened animal species 5929 (endangered: 1184) IUCN
1994 Red List
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