Long-distance journeys are out of fashion: Global warming is causing evolutionary changes in bird migration
Tuesday, April 20, 2010 - 14:30
in Biology & Nature
(PhysOrg.com) -- The results of genetic studies on migratory birds substantiate the theory that in the case of a continued global warming, and within only a few generations, migratory birds will - subject to strong selection and microevolution - at first begin to fly shorter distances and at a later stage, stop migrating, and will thus become so-called "residents".