PhysOrg Posted June 12, 2014 Share Posted June 12, 2014 Since the days of Darwin, biologists have questioned why certain plants occur in widely separated places, the farthest reaches of North American and the Southern tip of South America but nowhere in between. How did they get there? An international team of researchers have now found an important piece of the puzzle: migratory birds about to fly to South America from the Arctic harbor small plant parts in their feathers. Read the full article on PhysOrg Link to comment Share on other sites More sharing options...
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