If 2016 was a rough year for the animal kingdom, 2017 could be worse. Most scientists agree that we are experiencing a sixth mass extinction, but unlike the previous five that extended over hundreds of millions of years and occurred because of cataclysmic natural disasters, humans are responsible for this one.
Climate change, agricultural expansion, wildlife crime, pollution, and disease have created a shocking acceleration in the disappearance of species.
The International Union for Conservation of Nature (IUCN) has tried to show the scope of the problem in its Red List, a comprehensive roster of threatened species. Here are some of the highlights, including three species that went extinct last year and others to watch out for in 2017.