Did bird wings evolve from velociraptors? New study suggests yes – Interesting Engineering We all know that birds cannot fly without their wings; thanks to a wing structure called the propatagium, birds can sail in the air. Read More at Source. Author: Pumilo Share this:TwitterFacebookMoreLinkedInRedditTumblrPinterestPocketTelegramWhatsAppLike this:Like Loading... Related Tags: BirdNews February 27, 2023 by Pumilo Bird News 0