According to comedian Kellen Erskine, no:<p>"...here's where evolution gets shady, if these poor animals have been walking 80 miles every year for the past 10 million years why don't they have knees yet? The wings haven't worked out for some reason but couldn't they at least get some bendy legs?"<p><a href="https://www.youtube.com/watch?v=V1imLp-IUzI" rel="nofollow">https://www.youtube.com/watch?v=V1imLp-IUzI</a>