PhysOrg Posted May 17, 2022 Share Posted May 17, 2022 If you have ever watched a bird land on a tree branch, you may have noticed that it rapidly pitches its wings upward at a high angle to execute a smooth landing. However, for some birds, they land by folding their wings as they perch instead, creating a sweeping motion as they decelerate.View the full article Quote Link to comment Share on other sites More sharing options...
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