Mammals, Birds and Fish are Evolution's 'Winners'

>The losers, on the other hand, have changed little during their long residence on Earth.

>Crocodiles and alligators are nearly 250 million years old, Alfaro said, yet have diversified into only 23 species. They are diversifying a staggering 1,000 times slower than the scientists expected.

Article confuses evolution with social darwinism, as do most people, and gets it exactly backwards. Cockroaches have not changed over a zillion years because they are already almost perfectly adapted to every environment. The concept of "winning" is a loser in this instance.