September 5, 2012September 5, 2012 by coutinho

Feathers

By (author unknown), xkcd.com – Wednesday September 05, 2012

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!)

Share this: