Extinction is something as real today as it has always been. What makes it even more real, and for our particularly emotional species, extremely sad is that these animals and plants are gone forever. We will never feel a dozen trilobite legs tickle us as they scurry over our bare feet while we paddle in the warm seas. The time when birds with teeth swooped between trees snapping up insects is long gone. Fortunately we only have to be afraid of seagulls stealing our fish and chips, not bipedal crocodile relatives or enormous pterosaurs. These, and countless other organisms, have been alive on our planet at some point in the past. In fact, it is estimated that 99.9% of all organisms that have every lived are no longer here: and only a tiny percentage of those have been preserved as fossils. Our planet has been, and still is, full ofโ€ฆ

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