PhysOrg Posted August 31, 2021 Share Posted August 31, 2021 How do birds avoid collision when flying in dense foliage and other cramped environments with many obstacles? And what does flying in such complex environments entail for the birds? These were the questions Per Henningsson of Lund University in Sweden pondered before engaging the help of the family's own pet budgie to get some answers. His study has now been published in Royal Society Open Science.View the full article Quote Link to comment Share on other sites More sharing options...
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