At Darwin's #Geological début, species related to places were shown when the ornithologist John Gould noticed that specimens from the Galápagos Islands formed "a series of ground finches which are so peculiar" as to form "an entirely new group." The anatomist Richard Owen found that Darwin's fossils showed that extinct species were related to current species in the same locality. #Transmutation ideas convinced Darwin that original immigrants had been altered somehow to become an array of new species, and he began to look at fossils ...

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