Sunday, March 8, 2020

One species to four: New analysis documents new bird diversity in the Pacific

New findings suggest several island bird populations in the Pacific that were previously designated as a single species actually comprise up to four distinct species. The results upend understanding of the islands' robin populations, which have been used as a textbook example of evolution since the 1940s. The new findings have important implications for conservation, as some of the newly-designated species live only on a few isolated islands.

from Latest Science News -- ScienceDaily https://ift.tt/3aCbYsh

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Satellites spot rapid “Doomsday Glacier” collapse

Two decades of satellite and GPS data show the Thwaites Eastern Ice Shelf slowly losing its grip on a crucial stabilizing point as fractures...