Endangered African black rhinos gradually increase in number

Vocabulary: director general /dih-REK-ter JEN-er-uhl/ [noun] – the person who is in charge of a big organization Inger Andersen was appointed Director General of the International Union for Conservation of Nature (IUCN) in January 2015. extinction /ik-STINGK-shuhn/ [noun] – a situation in which something no longer exists The extinction of the dinosaurs happened millions of years ago. subspecies /SUHB-spee-sheez/ [noun] – a particular type within a species, the members of which are different in some clear ways from those of other types of the species Three out of eight subspecies of tiger – the Bali, Caspian, and Javan tigers are declared extinct. countermeasure /KOUN-ter-mezh-er / [noun] – an action taken…
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