(ANIMAL SCIENCE) Millions of years ago, penguins lost their ability to fly, and now scientists finally know why. The tuxedoed birds are some of the best divers out there, but unfortunately good flippers don’t make for good flyers. Scientists say, once penguins sacrificed flight, their wings and body size most likely evolved quite rapidly since flying no longer placed constraints on body form. Researchers were confused as to why the aquatically-skilled animals chose sea over air, but they hold a promising theory regarding the species’ perplexing decision. Continue reading for the answer to this mind-boggling question, and learn more about prehistoric flying penguins. — Global Animal

























