This "shockingly high" number, which represents 10% of mammal species, massively surpasses the 351 mammal species which have become extinct in the past 126,000 years.
The authors of the research, which was published in the Science Advances journal, lay the blame for the future extinctions of animals like the Amur Leopard, Black Rhino, and Bornean Orangutan squarely at the feet of humans.