translated from Spanish: The bird that came back from extinction

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England.-Researchers from the United Kingdom showed that a species of non-flying bird that had died about 136,000 years ago appeared again tens of thousands of years later, details the study published in the Zoological Journal of Linnean Society.
This is the white throat rálido, a bird that migrated from Madagascar and after conquering the atoll of Aldabra, about 500 kilometres further north in the Indian Ocean, lost its ability to fly. There he lived until that territory was under the waters as a result of the elevation of the ocean level.
Specialists from the University of Portsmouth and the Museum of Natural History of London (UK) worked with fossils of about 100,000 years of age, when the water had come down and Aldabra had reappeared and had been conquered again by the Birds.
Then, they compared the fossils of both periods and found that the characteristics of the wings showed their inability to fly, like the bones of the ankles, which means that a species of Madagascar gave rise to the two species of non-flying Rálido Who inhabited the same atoll.
“These unique fossils provide irrefutable evidence that a member of the family colonized the atoll, probably from Madagascar, and each time lost the ability to fly,” explained Julian Hume, a paleontologist at the Natural History Museum, who highlighted That fossils show the “ability of these birds to successfully colonize isolated islands and lose their ability to fly multiple times.”
David Hammer, of the School of Earth Sciences and the environment at the University of Portsmouth, added that they do not know of another example of bird that shows “this phenomenon”. In addition, he said that only in Aldabra “is there available fossil evidence that demonstrates the effects of changing sea levels in extinction and recolonization events”.
Source: RT

Original source in Spanish

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