The current rate of extinctions compared to the geological norm is now several thousandfold faster, making this the sixth great mass extinction event in Earth’s history, and thus the start of the Anthropocene in its clearest demarcation, which is to say, we are in a biosphere catastrophe that will be obvious in the fossil record for as long as the Earth lasts.
It’s taken me far too long but I’m finally reading The Ministry for the Future by Kim Stanley Robinson. In the paragraph before the quote above, he provides a list of recently extinct species, from that list: Saudi gazelle