Several bird species are threatened with 'extinction'. = Several bird species are 'on the brink of extinction'.
Mass 'extinctions' of prehistoric animals are known to have occurred.
the 'extinction' of all life in the region
(..) that city into molten metal. He'll have enough to build a massive army and annihilate your species forever. You dumb, greedy bastards just brought extinction to yourself. Not my problem, though. I'm free at last. Whole thing worked out good for me. I'm walking. We got to get the Seed (..)2014 Transformers: Age of Extinction
(..) millions of years ago and wiped out the dinosaurs? - Vaguely. - We were wrong. This metal caused the great extinction. How and why, I can't yet say. But carbon dating puts it at million years B.C. This ore you've got us digging for is a lot more dangerous than you think. (..)2014 Transformers: Age of Extinction