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Darwin 2.0: New theory on speciation, diversity

Darwin 2.0: New theory on speciation, diversity

Macaws flying over the rainforest canopy at dawn. The study found that bird lineages that inhabit the forest canopy, such as these macaws, accumulate fewer species over evolutionary time than do bird lineages that inhabit the forest understory. Credit: Image courtesy of Mike Hankey Birds that are related, such as Darwin’s finches, but that vary […]