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Scientists shocked by massive discovery in the Galapagos

November 23, 2017 By Dan Taylor

Scientists shocked by massive discovery in the Galapagos

A new study claims that an entirely new species of bird has arisen in the Galapagos, provide scientists vital clues on evolution itself.

Nearly four decades ago, an odd bird arrived in the Galapagos archipelago, and now scientists think it provides them with direct genetic evidence of how a new species comes to be. The findings, detailed in the journal Science by researchers at Princeton University and Uppsala University, show that this new bird mated with a member of another species that was native to an island and appears to have given risen to a new species with about 30 individuals.

It’s a study similar to the famous conducted by Charles Darwin on the finches of the Galapagos, which resulted in the theory of evolution. Because the Galapagos is so remote, it is an evolutionary Petri dish that provides scientists an ideal place to study evolution.

This discovery allows scientists to actually document the creation of a new species in the wild. The parent of this new species was first spotted back in 1981, when a graduate students noticed a male with an unusual song and a larger body and beak size than three resident species of birds.

“The novelty of this study is that we can follow the emergence of new species in the wild,” said B. Rosemary Grant, a senior research biologist, emeritus, and a senior biologist in the Department of Ecology and Evolutionary Biology. “Through our work on Daphne Major, we were able to observe the pairing up of two birds from different species and then follow what happened to see how speciation occurred.”

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