Contrary to the expectations of many, the researchers also found that two high-profile species, the gorilla and the pygmy chimpanzee, or bonobo, should be downgraded to a lower level of threat.

• 与很多人的预料相反，研究人员还发现，两个备受关注的物种，大猩猩和侏儒黑猩猩(又名倭黑猩猩)应该降低其受威胁的级别。