Date: 11/2/24 1:18 am From: Dan Reiff via Tweeters <tweeters...> Subject: [Tweeters] Bird wings inspire new approach to flight safety | ScienceDaily
“ The flaps mimic a group of feathers, called covert feathers, that deploy when birds perform certain aerial maneuvers, such as landing or flying in a gust. Biologists have observed when and how these feathers deploy, but no studies have quantified the aerodynamic role of covert feathers during bird flight “:
