PhysOrg Posted March 10, 2022 Share Posted March 10, 2022 Much of a centuries-old debate over where and how new bird species form has now been resolved. Researchers at the University of Copenhagen have provided evidence that birds in mountainous areas—where the vast majority of the planet's species live—have left lowland habitats for higher and higher mountain elevations throughout their evolution. Millions of years of climatic fluctuations have contributed to pushing bird species upslope—as is probably happening now.View the full article Quote Link to comment Share on other sites More sharing options...
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