Kiwi

In this episode, we learn about a bird that basically evolved into a mammal. The sheer number of areas where they have converged with mammals is absurd. Ironically, the mammals they have almost become may be their undoing. Enjoy the show.   Bibliography: https://docs.google.com/document/d/1id0OV22jN1L-B0LqABkE9gLZ3hfR52d0MuHC-MjDRis/edit?usp=sharing