Feathers

Feathers

(alt-text)

Click to see a video of a modern bird using stability flapping during predatory behavior. It all fits! Also, apparently Microraptor had *four* wings? The past keeps getting cooler! (And there's more of it every day!)

See also: https://www.youtube.com/watch?v=3qpdk-U8fI0

Preorder What If? 2 (all US preorders eligible) and enter our contest for a chance to win a dedicated comic and What If blog post!