PhysOrg Posted December 2, 2020 Share Posted December 2, 2020 There would be at least four times as many flightless bird species on Earth today if it were not for human influences, finds a study led by UCL researchers.The study, published in Science Advances, finds that flightlessness evolved much more frequently among birds than would be expected if you only looked at current species.View the full article Quote Link to comment Share on other sites More sharing options...
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